FKIE_CVE-2020-5924

Vulnerability from fkie_nvd - Published: 2020-08-26 15:15 - Updated: 2026-06-17 03:22
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Summary
In BIG-IP APM versions 12.1.0-12.1.5.1 and 11.6.1-11.6.5.2, RADIUS authentication leaks memory when the username for authentication is not set.
References
f5sirt@f5.comhttps://support.f5.com/csp/article/K11400411Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K11400411Mitigation, Vendor Advisory
Impacted products
Vendor Product Version
f5 big-ip_access_policy_manager *
f5 big-ip_access_policy_manager *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "BIG-IP APM",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "12.1.0-12.1.5.1, 11.6.1-11.6.5.2"
            }
          ]
        }
      ],
      "source": "f5sirt@f5.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2FBA9552-4645-4BFF-91A4-47B6A3414325",
              "versionEndIncluding": "11.6.5",
              "versionStartIncluding": "11.6.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE0532FA-7B7B-46B3-AB10-0920034A7E43",
              "versionEndExcluding": "12.1.5.2",
              "versionStartIncluding": "12.1.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In BIG-IP APM versions 12.1.0-12.1.5.1 and 11.6.1-11.6.5.2, RADIUS authentication leaks memory when the username for authentication is not set."
    },
    {
      "lang": "es",
      "value": "En BIG-IP APM versiones 12.1.0-12.1.5.1 y 11.6.1-11.6.5.2, una autenticaci\u00f3n RADIUS filtra memoria cuando el nombre de usuario para la autenticaci\u00f3n no est\u00e1 establecido"
    }
  ],
  "id": "CVE-2020-5924",
  "lastModified": "2026-06-17T03:22:27.990",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-08-26T15:15:13.587",
  "references": [
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K11400411"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K11400411"
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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