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CVE-2015-4231

14
FAUCET Score

CVE-2015-4231 describes a local privilege escalation vulnerability in the Python interpreter of Cisco NX-OS 6.2(8a) on Nexus 7000 and 7700 series devices. An attacker with administrative privileges in one Virtual Device Context (VDC) could leverage this flaw to delete arbitrary files in another VDC, bypassing intended access restrictions. With a CVSS score of 3.6 (AV:L/AC:L/Au:N/I:P/A:P), this vulnerability has low attack complexity and requires local access, primarily impacting integrity and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.2\(8a\)CPE matchmatch criteria
cpe:2.3:o:cisco:nx-os:6.2\(8a\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.6LOW

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 51st percentile among its peer group of 2,096 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/viewAlert.x
Vendor Advisory
securitytracker.com / id/1032763
Third Party AdvisoryVDB Entry