CVE-2023-49897 (GCVE-0-2023-49897)
Vulnerability from cvelistv5 – Published: 2023-12-06 06:49 – Updated: 2025-10-21 23:05Summary
An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product.
Severity
8.8 (High)
SSVC
Exploitation: active
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2023-12-20 05:00 UTC
CWE
- OS command injection
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 45069dc1-11fe-4beb-aa2d-4e30e2eade59
Exploited: Yes
Timestamps
First Seen: 2023-12-21
Asserted: 2023-12-21
Scope
Notes: KEV entry: FXC AE1021, AE1021PE OS Command Injection Vulnerability | Affected: FXC / AE1021, AE1021PE | Description: FXC AE1021 and AE1021PE contain an OS command injection vulnerability that allows authenticated users to execute commands via a network. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2024-01-11 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://www.fxc.jp/news/20231206 ; https://nvd.nist.gov/vuln/detail/CVE-2023-49897
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-78 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | AE1021, AE1021PE |
| Due Date | 2024-01-11 |
| Date Added | 2023-12-21 |
| Vendorproject | FXC |
| Vulnerabilityname | FXC AE1021, AE1021PE OS Command Injection Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 12:26 UTC
| Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5bbfac57-e987-4922-961a-87fe1e9538fd
Exploited: Yes
Timestamps
First Seen: 2023-12-21
Asserted: 2023-12-21
Scope
Notes: KEVIntel entry: An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this... | Affected: FXC Inc. / AE1021PE, AE1021 | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this... |
| Vendor | FXC Inc. |
| Product | AE1021PE, AE1021 |
| Added Date | 2023-12-21T00:00:00.000Z |
| Cvss Score | 8.8 |
| Epss Score | None |
| Cvss Severity | HIGH |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 14:05 UTC
| Updated: 2026-07-10 06:14 UTC
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
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"url": "https://www.fxc.jp/news/20231206"
},
{
"tags": [
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],
"url": "https://jvn.jp/en/vu/JVNVU92152057/"
},
{
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"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-355-01"
},
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],
"url": "https://www.akamai.com/blog/security-research/zero-day-vulnerability-spreading-mirai-patched"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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},
{
"other": {
"content": {
"id": "CVE-2023-49897",
"options": [
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{
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}
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"timestamp": "2023-12-20T05:00:54.981164Z",
"version": "2.0.3"
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"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2023-12-21",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-49897"
},
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}
}
],
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"descriptions": [
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"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
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],
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],
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"time": "2023-12-21T00:00:00.000Z",
"value": "CVE-2023-49897 added to CISA KEV"
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],
"title": "CISA ADP Vulnrichment"
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],
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"product": "AE1021PE",
"vendor": "FXC Inc.",
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},
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{
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"value": "An OS command injection vulnerability exists in AE1021PE firmware version 2.0.9 and earlier and AE1021 firmware version 2.0.9 and earlier. If this vulnerability is exploited, an arbitrary OS command may be executed by an attacker who can log in to the product."
}
],
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"description": "OS command injection",
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],
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{
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]
}
},
"cveMetadata": {
"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
"assignerShortName": "jpcert",
"cveId": "CVE-2023-49897",
"datePublished": "2023-12-06T06:49:41.752Z",
"dateReserved": "2023-12-01T02:30:49.222Z",
"dateUpdated": "2025-10-21T23:05:29.972Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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