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CVE-2013-6689

18
FAUCET Score

CVE-2013-6689 describes a local privilege escalation vulnerability in Cisco Unified Communications Manager (Unified CM) versions 9.1(1) and earlier. An attacker can exploit a flaw in a command-line utility to bypass file permissions, enabling them to read, modify, or create arbitrary files on the system. With a CVSS score of 6.9, this vulnerability has high impact on confidentiality, integrity, and availability, but requires local access and moderate attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.1\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*
3.3\(5\)CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:3.3\(5\):*:*:*:*:*:*:*
3.3\(5\)sr1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:3.3\(5\)sr1:*:*:*:*:*:*:*
3.3\(5\)sr2aCPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:3.3\(5\)sr2a:*:*:*:*:*:*:*
4.1\(3\)CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:4.1\(3\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 36th percentile among its peer group of 1,595 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, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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/CiscoSecurityNotice/CVE-2013-6689
Vendor Advisory
tools.cisco.com / security/center/viewAlert.x
Vendor Advisory