What is the CVSS score of CVE-2022-36647?

CVE-2022-36647 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2022-36647?

Yes, a public proof-of-concept exploit is available for CVE-2022-36647. Prioritise patching immediately. EPSS: 0.3%.

Davs2 CVE-2022-36647

MEDIUM

Classic Buffer Overflow (CWE-120)

2022-09-02 cve@mitre.org

Buffer Overflow Davs2

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Sep 02, 2022 - 22:15 nvd

MEDIUM 5.5

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. 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. Affected products include: Davs2 Project Davs2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.