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CVE-2008-1745

20
FAUCET Score

CVE-2008-1745 describes a denial-of-service vulnerability affecting Cisco Unified Communications Manager (CUCM) versions 5.x before 5.1(2) and 6.x before 6.1(1). This flaw allows unauthenticated remote attackers to disrupt service by sending a specially crafted SIP JOIN message containing a malformed header. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability for the affected CUCM system. 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
4.1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:4.1:*:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:4.1:\(3\)sr.5:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:4.1:\(3\)sr4:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:4.1:\(3\)sr5:*:*:*:*:*:*
4.1CPE matchmatch criteria
cpe:2.3:a:cisco:unified_communications_manager:4.1:\(3\)sr5b:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 61st percentile among its peer group of 51,506 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/30238
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/42417
cisco.com / en/US/products/products_security_advisory09186a0080995688.shtml
securityfocus.com / bid/29221
vupen.com / english/advisories/2008/1533