What is the CVSS score of CVE-2014-3676?

CVE-2014-3676 has a CVSS 2.0 base score of 7.5 (High). CVSS vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. EPSS exploitation probability: 5.2%.

Is there a public PoC exploit available for CVE-2014-3676?

Yes, a public proof-of-concept exploit is available for CVE-2014-3676. Prioritise patching immediately. EPSS: 5.2%.

Shim CVE-2014-3676

HIGH

Out-of-bounds Write (CWE-787)

2014-10-22 secalert@redhat.com

Memory Corruption Buffer Overflow RCE Shim

7.5

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Oct 22, 2014 - 14:55 cve.org

HIGH 7.5

DescriptionCVE.org

Heap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot option."

AnalysisAI

Heap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot option.". Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Heap-based buffer overflow in Shim allows remote attackers to execute arbitrary code via a crafted IPv6 address, related to the "tftp:// DHCPv6 boot option." Affected products include: Redhat Shim.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).