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CVE-2015-6310

15
FAUCET Score

CVE-2015-6310 describes a denial-of-service vulnerability in the REST interface of Cisco Unified Communications Manager IM and Presence Service 11.5(1). A remote attacker can trigger a SIP proxy service restart by sending a crafted HTTP request. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required, leading to a partial availability impact. Its EPSS score is low, suggesting a minimal likelihood of exploitation. There is no evidence of active exploitation, nor is public exploit code available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also notably absent.

Impacted Technologies

VendorProductVersion(s)CPE
11.5\(1\)CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager_im_and_presence_service:11.5\(1\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
2.21%
Probability of exploitation in next 30 days
EPSS Percentile
80.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0221 is in the 70th percentile among its peer group of 23,723 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/viewAlert.x
Vendor Advisory
securitytracker.com / id/1033732
Third Party AdvisoryVDB Entry