Vulnerability-Lookup

FKIE_CVE-2023-45237

Vulnerability from fkie_nvd - Published: 2024-01-16 16:15 - Updated: 2026-06-17 06:28

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

References

URL	Tags
infosec@edk2.groups.io	http://www.openwall.com/lists/oss-security/2024/01/16/2	Mailing List
infosec@edk2.groups.io	https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h	Vendor Advisory
infosec@edk2.groups.io	https://security.netapp.com/advisory/ntap-20240307-0011/
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2024/01/16/2	Mailing List
af854a3a-2127-422b-91ae-364da2661108	https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20240307-0011/
af854a3a-2127-422b-91ae-364da2661108	https://www.kb.cert.org/vuls/id/132380

Impacted products

	Vendor	Product	Version
	tianocore	edk2	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "edk2",
          "vendor": "TianoCore",
          "versions": [
            {
              "status": "affected",
              "version": "edk2-stable202308"
            }
          ]
        }
      ],
      "source": "infosec@edk2.groups.io"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CEB3105-57CC-4096-81D3-D58005813C4B",
              "versionEndIncluding": "202311",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
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    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "EDK2\u0027s Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."
    },
    {
      "lang": "es",
      "value": "EDK2\u0027s Network Package es susceptible a Initial Sequence Number TCP predecible. Un atacante puede aprovechar esta vulnerabilidad para obtener acceso no autorizado y potencialmente provocar una p\u00e9rdida de confidencialidad."
    }
  ],
  "id": "CVE-2023-45237",
  "lastModified": "2026-06-17T06:28:30.600",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "infosec@edk2.groups.io",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-45237",
          "options": [
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            },
            {
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            },
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            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-11-13T19:58:00.747301Z",
          "version": "2.0.3"
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  "published": "2024-01-16T16:15:13.013",
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    {
      "source": "infosec@edk2.groups.io",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
    },
    {
      "source": "infosec@edk2.groups.io",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
    },
    {
      "source": "infosec@edk2.groups.io",
      "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
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      "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
    },
    {
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      "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://www.kb.cert.org/vuls/id/132380"
    }
  ],
  "sourceIdentifier": "infosec@edk2.groups.io",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-338"
        }
      ],
      "source": "infosec@edk2.groups.io",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-338"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2023-45237 (GCVE-0-2023-45237)

Vulnerability from cvelistv5 – Published: 2024-01-16 16:11 – Updated: 2025-11-04 18:17

Title

Use of a Weak PseudoRandom Number Generator in EDK II Network Package

Summary

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-13 19:58 UTC

CWE

CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Assigner

TianoCore mitre root

References

4 references

URL	Tags
https://github.com/tianocore/edk2/security/adviso…
http://www.openwall.com/lists/oss-security/2024/01/16/2
https://security.netapp.com/advisory/ntap-2024030…
https://www.kb.cert.org/vuls/id/132380

Impacted products

1 product

Vendor	Product	Version
TianoCore	edk2	Affected: edk2-stable202308

Credits

Quarkslab Vulnerability Reports Team Doug Flick

Show details on NVD website

JSON

To clipboard

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            "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
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        "metrics": [
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                "options": [
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                  {
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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.

Detection rules are retrieved from Rulezet.

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.

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.