FKIE_CVE-2026-103432

Vulnerability from fkie_nvd - Published: 2026-09-30 16:17 - Updated: 2026-09-30 20:17
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544.
References
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=2493140
cve@mitre.orghttps://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240
cve@mitre.orghttps://sourceforge.net/projects/apcupsd/
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "apcupsd-cgi (upsstats.cgi",
            "multimon.cgi",
            "upsfstats.cgi)"
          ],
          "product": "apcupsd",
          "programFiles": [
            "src/cgi/upsfetch.c"
          ],
          "vendor": "apcupsd",
          "versions": [
            {
              "lessThanOrEqual": "3.14.14",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "apcupsd through 3.14.14 has an sscanf stack-based buffer overflow in getupsvar() in src/cgi/upsfetch.c (used by upsstats.cgi, multimon.cgi, and upsfstats.cgi), a related issue to CVE-2026-15544."
    }
  ],
  "id": "CVE-2026-103432",
  "lastModified": "2026-09-30T20:17:31.130",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-103432",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-30T19:35:14.295763Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-30T16:17:09.533",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493140"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://github.com/therealbstern/apcupsd/blob/224d19d5faa508d04267f6135fe53d50800550de/src/cgi/upsfetch.c#L240"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://sourceforge.net/projects/apcupsd/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}



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