What is the CVSS score of CVE-2015-3939?

CVE-2015-3939 has a CVSS 2.0 base score of 6.8 (Medium). CVSS vector: AV:N/AC:L/Au:S/C:C/I:N/A:N. EPSS exploitation probability: 0.3%.

Nc854 CVE-2015-3939

MEDIUM

Path Traversal (CWE-22)

2015-05-31 ics-cert@hq.dhs.gov

Path Traversal Nc854 Nc856

6.8

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

May 31, 2015 - 17:59 cve.org

MEDIUM 6.8

DescriptionCVE.org

Directory traversal vulnerability in the NC854 and NC856 modules for IDS RTU 850C devices allows remote authenticated users to read arbitrary files via unspecified vectors involving an internal web server, as demonstrated by reading a TELNET credentials file.

AnalysisAI

Directory traversal vulnerability in the NC854 and NC856 modules for IDS RTU 850C devices allows remote authenticated users to read arbitrary files via unspecified vectors involving an internal web. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Directory traversal vulnerability in the NC854 and NC856 modules for IDS RTU 850C devices allows remote authenticated users to read arbitrary files via unspecified vectors involving an internal web server, as demonstrated by reading a TELNET credentials file. Affected products include: Ids Nc854, Ids Nc856.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.