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CERTFR-2026-AVI-1184
Vulnerability from certfr_avis - Published: 2026-09-16 - Updated: 2026-09-16
De multiples vulnérabilités ont été découvertes dans Oracle Database Server. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance et un déni de service à distance.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Oracle | Database Server | Oracle Database Server versions 19.3 à 19.32 | ||
| Oracle | Database Server | Oracle Database Server versions 23.4.0 à 23.26.3 | ||
| Oracle | Database Server | Oracle Database Server versions 21.3 à 21.23 |
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Oracle Database Server versions 19.3 \u00e0 19.32",
"product": {
"name": "Database Server",
"vendor": {
"name": "Oracle",
"scada": false
}
}
},
{
"description": "Oracle Database Server versions 23.4.0 \u00e0 23.26.3",
"product": {
"name": "Database Server",
"vendor": {
"name": "Oracle",
"scada": false
}
}
},
{
"description": "Oracle Database Server versions 21.3 \u00e0 21.23",
"product": {
"name": "Database Server",
"vendor": {
"name": "Oracle",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-83350",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83350"
},
{
"name": "CVE-2026-83272",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83272"
},
{
"name": "CVE-2026-83347",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83347"
},
{
"name": "CVE-2026-83088",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83088"
},
{
"name": "CVE-2026-83271",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83271"
},
{
"name": "CVE-2026-83349",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83349"
},
{
"name": "CVE-2026-83160",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83160"
},
{
"name": "CVE-2026-83351",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83351"
},
{
"name": "CVE-2026-83348",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83348"
},
{
"name": "CVE-2026-83156",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83156"
},
{
"name": "CVE-2026-83333",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-83333"
}
],
"initial_release_date": "2026-09-16T00:00:00",
"last_revision_date": "2026-09-16T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1184",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-16T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Oracle Database Server. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance et un d\u00e9ni de service \u00e0 distance.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Oracle Database Server",
"vendor_advisories": [
{
"published_at": "2026-09-15",
"title": "Bulletin de s\u00e9curit\u00e9 Oracle Database Server cspusep2026",
"url": "https://www.oracle.com/security-alerts/cspusep2026.html"
}
]
}
CVE-2026-83088 (GCVE-0-2026-83088)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:03 – Updated: 2026-09-16 17:58
VLAI
EPSS
VEX
Summary
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS. CVSS 3.1 Base Score 7.7 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H).
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 17:55 UTC
CWE
- Easily exploitable vulnerability allows low privileged attacker having Authenticated User privilege with network access via Oracle Net to compromise RDBMS. While the vulnerability is in RDBMS, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of RDBMS.
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
23.4.0 , ≤ 23.26.3
(custom)
cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* |
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CVE-2026-83156 (GCVE-0-2026-83156)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:03 – Updated: 2026-09-15 20:03
VLAI
EPSS
VEX
Summary
Vulnerability in the Oracle XML Developers Kit component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having XDKC privilege with network access via Oracle Net to compromise Oracle XML Developers Kit. Successful attacks of this vulnerability can result in takeover of Oracle XML Developers Kit. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
Severity
7.5 (High)
CWE
- Difficult to exploit vulnerability allows low privileged attacker having XDKC privilege with network access via Oracle Net to compromise Oracle XML Developers Kit. Successful attacks of this vulnerability can result in takeover of Oracle XML Developers Kit.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
19.3 , ≤ 19.32
(custom)
Affected: 21.3 , ≤ 21.23 (custom) Affected: 23.4.0 , ≤ 23.26.3 (custom) cpe:2.3:a:oracle:database_-_e_xml_developers_kit:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_xml_developers_kit:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_xml_developers_kit:*:*:*:*:*:*:*:* |
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"version": "21.3",
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CVE-2026-83160 (GCVE-0-2026-83160)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:03 – Updated: 2026-09-15 20:03
VLAI
EPSS
VEX
Summary
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Severity
8.8 (High)
CWE
- Easily exploitable vulnerability allows low privileged attacker having Create Table privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
23.4.0 , ≤ 23.26.3
(custom)
cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* |
{
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CVE-2026-83271 (GCVE-0-2026-83271)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:04 – Updated: 2026-09-15 20:04
VLAI
EPSS
VEX
Summary
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Execute on DBMS_REDEFINITION privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Severity
8.8 (High)
CWE
- Easily exploitable vulnerability allows low privileged attacker having Execute on DBMS_REDEFINITION privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
19.3 , ≤ 19.32
(custom)
Affected: 21.3 , ≤ 21.23 (custom) Affected: 23.4.0 , ≤ 23.26.3 (custom) cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* |
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CVE-2026-83272 (GCVE-0-2026-83272)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:04 – Updated: 2026-09-15 20:04
VLAI
EPSS
VEX
Summary
Vulnerability in the Oracle Text component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Difficult to exploit vulnerability allows low privileged attacker having Create Index privilege with network access via Oracle Net to compromise Oracle Text. While the vulnerability is in Oracle Text, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Text. CVSS 3.1 Base Score 8.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H).
Severity
8.5 (High)
CWE
- Difficult to exploit vulnerability allows low privileged attacker having Create Index privilege with network access via Oracle Net to compromise Oracle Text. While the vulnerability is in Oracle Text, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Text.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
19.3 , ≤ 19.32
(custom)
Affected: 21.3 , ≤ 21.23 (custom) Affected: 23.4.0 , ≤ 23.26.3 (custom) cpe:2.3:a:oracle:database_-_e_text:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_text:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_text:*:*:*:*:*:*:*:* |
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CVE-2026-83333 (GCVE-0-2026-83333)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:05 – Updated: 2026-09-15 23:14
VLAI
EPSS
VEX
Summary
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 23:12 UTC
CWE
- Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
23.4.0 , ≤ 23.26.3
(custom)
cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* |
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CVE-2026-83347 (GCVE-0-2026-83347)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:05 – Updated: 2026-09-15 20:05
VLAI
EPSS
VEX
Summary
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).
Severity
6.5 (Medium)
CWE
- Easily exploitable vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Net Services. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
23.4.0 , ≤ 23.26.3
(custom)
cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* |
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CVE-2026-83348 (GCVE-0-2026-83348)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:05 – Updated: 2026-09-15 20:05
VLAI
EPSS
VEX
Summary
Vulnerability in the RDBMS component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows low privileged attacker having Create DB Link privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Severity
8.8 (High)
CWE
- Easily exploitable vulnerability allows low privileged attacker having Create DB Link privilege with network access via Oracle Net to compromise RDBMS. Successful attacks of this vulnerability can result in takeover of RDBMS.
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
19.3 , ≤ 19.32
(custom)
Affected: 21.3 , ≤ 21.23 (custom) Affected: 23.4.0 , ≤ 23.26.3 (custom) cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_rdbms:*:*:*:*:*:*:*:* |
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CVE-2026-83349 (GCVE-0-2026-83349)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:05 – Updated: 2026-09-15 23:14
VLAI
EPSS
VEX
Summary
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.32, 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 23:12 UTC
CWE
- Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
19.3 , ≤ 19.32
(custom)
Affected: 21.3 , ≤ 21.23 (custom) Affected: 23.4.0 , ≤ 23.26.3 (custom) cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* |
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CVE-2026-83350 (GCVE-0-2026-83350)
Vulnerability from cvelistv5 – Published: 2026-09-15 20:05 – Updated: 2026-09-15 23:14
VLAI
EPSS
VEX
Summary
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 21.3-21.23 and 23.4.0-23.26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-15 23:12 UTC
CWE
- Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Net Services. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Net Services.
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cspusep2026.html | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Oracle Corporation | Oracle Database Server |
Affected:
21.3 , ≤ 21.23
(custom)
Affected: 23.4.0 , ≤ 23.26.3 (custom) cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* cpe:2.3:a:oracle:database_-_e_net_services:*:*:*:*:*:*:*:* |
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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