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CVE-2022-36647

Status: ModifiedMedium (5.5)—
Severity5.5Medium · CVSS 3.1
Exploitation probability0.29 %higher than 20% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

PKUVCL davs2 v1.6.205 was discovered to contain a global buffer overflow via the function parse_sequence_header() at source/common/header.cc:269.

CVSS

Base score
5.5
Version
3.1
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.29 %
Percentile among all scored CVEs
20
Score date
10/24/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Davs2 Project — Davs2

CWEs

References

Show 2 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2022-36647",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
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      "source": "cve@mitre.org",
      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-09-02T22:15:08.523",
  "references": [
    {
      "url": "https://github.com/pkuvcl/davs2/issues/29",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pkuvcl/davs2/issues/29",
      "tags": [
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        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "PKUVCL davs2 v1.6.205 was discovered to contain a global buffer overflow via the function parse_sequence_header() at source/common/header.cc:269."
    },
    {
      "lang": "es",
      "value": "Se ha detectado que PKUVCL davs2 versión v1.6.205, contiene un desbordamiento de búfer global por medio de la función parse_sequence_header() en el archivo source/common/header.cc:269"
    }
  ],
  "lastModified": "2026-06-17T04:53:47.733",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:davs2_project:davs2:1.6.205:*:*:*:*:*:*:*",
              "vulnerable": true,
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            }
          ],
          "operator": "OR"
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  ],
  "sourceIdentifier": "cve@mitre.org"
}