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CVE-2015-0613

19
FAUCET Score

CVE-2015-0613 describes a denial-of-service vulnerability in Cisco Unity Connection versions 8.5, 8.6, 9.x, and 10.0, specifically impacting the Connection Conversation Manager process when SIP trunk integration is enabled. Remote attackers can exploit this by sending crafted SIP INVITE messages, leading to a core dump and restart of the affected service. With a CVSS score of 7.1, this vulnerability is considered high severity due to its network-based attack vector, medium attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, though it received limited media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.5\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:8.5\(1\):*:*:*:*:*:*:*
8.5\(1\)su1CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:8.5\(1\)su1:*:*:*:*:*:*:*
8.5\(1\)su2CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:8.5\(1\)su2:*:*:*:*:*:*:*
8.5\(1\)su3CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:8.5\(1\)su3:*:*:*:*:*:*:*
8.5\(1\)su4CPE matchmatch criteria
cpe:2.3:a:cisco:unity_connection:8.5\(1\)su4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 31st percentile among its peer group of 8,918 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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-20150401-cuc
Vendor Advisory
securitytracker.com / id/1032010