What is the CVSS score of CVE-2018-3938?

CVE-2018-3938 has a CVSS 3.0 base score of 10.0 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 3.3%.

Snc Eb600 Firmware CVE-2018-3938

CRITICAL

Out-of-bounds Write (CWE-787)

2018-08-14 talos-cna@cisco.com

Memory Corruption RCE Buffer Overflow Snc Eb600 Firmware Snc Eb630 Firmware Snc Eb600B Firmware Snc Eb630B Firmware Snc Eb602R Firmware Snc Eb632R Firmware Snc Em600 Firmware Snc Em601 Firmware Snc Em630 Firmware Snc Em631 Firmware Snc Em602R Firmware Snc Em632R Firmware Snc Em602Rc Firmware Snc Em632Rc Firmware

10.0

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

10.0 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 14, 2018 - 19:29 nvd

CRITICAL 10.0

DescriptionNVD

An exploitable stack-based buffer overflow vulnerability exists in the 802dot1xclientcert.cgi functionality of Sony IPELA E Series Camera G5 firmware 1.87.00. A specially crafted POST can cause a stack-based buffer overflow, resulting in remote code execution. An attacker can send a malicious POST request to trigger this vulnerability.

AnalysisAI

An exploitable stack-based buffer overflow vulnerability exists in the 802dot1xclientcert.cgi functionality of Sony IPELA E Series Camera G5 firmware 1.87.00. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. 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. An exploitable stack-based buffer overflow vulnerability exists in the 802dot1xclientcert.cgi functionality of Sony IPELA E Series Camera G5 firmware 1.87.00. A specially crafted POST can cause a stack-based buffer overflow, resulting in remote code execution. An attacker can send a malicious POST request to trigger this vulnerability. Affected products include: Sony Snc-Eb600 Firmware, Sony Snc-Eb630 Firmware, Sony Snc-Eb600B Firmware, Sony Snc-Eb630B Firmware, Sony Snc-Eb602R Firmware.

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).