Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-6366

15
FAUCET Score

CVE-2015-6366 describes a vulnerability in Cisco IOS versions 15.2(04)M6 and 15.4(03)S where physical-interface Access Control Lists (ACLs) incorrectly override tunnel-interface ACLs. This flaw allows remote attackers to bypass intended network traffic restrictions by utilizing a tunnel, enabling unauthorized access to network resources. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and potential for partial integrity impact. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.2\(4\)m6CPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.2\(4\)m6:*:*:*:*:*:*:*
15.4\(3\)sCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.4\(3\)s:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 59th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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/content/CiscoSecurityAdvisory/cisco-sa-20151112-ios2
Vendor Advisory
securitytracker.com / id/1034141