CVE-2007-1826
CVE-2007-1826 is a high-severity vulnerability in Cisco Unified Callmanager with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 2% (78th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Unified Callmanager
- Published:
- Last modified:
Description
Unspecified vulnerability in the IPSec Manager Service for Cisco Unified CallManager (CUCM) 5.0 before 5.0(4a)SU1 and Cisco Unified Presence Server (CUPS) 1.0 before 1.0(3) allows remote attackers to cause a denial of service (loss of cluster services) via a "specific UDP packet" to UDP port 8500, aka bug ID CSCsg60949.
Frequently asked questions
- What is CVE-2007-1826?
- Unspecified vulnerability in the IPSec Manager Service for Cisco Unified CallManager (CUCM) 5.0 before 5.0(4a)SU1 and Cisco Unified Presence Server (CUPS) 1.0 before 1.0(3) allows remote attackers to cause a denial of service (loss of cluster services) via a "specific UDP packet" to UDP port 8500, aka bug ID CSCsg60949.
- How severe is CVE-2007-1826?
- CVE-2007-1826 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2007-1826 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-1826?
- CVE-2007-1826 primarily affects Cisco Unified Callmanager. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2007-1826?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2007-1826 published?
- CVE-2007-1826 was published on 2007-04-02 and last updated on 2026-06-16.
References
- http://osvdb.org/34919
- http://secunia.com/advisories/24690
- http://securitytracker.com/id?1017826
- http://www.cisco.com/warp/public/707/cisco-sa-20070328-voip.shtml
- http://www.securityfocus.com/bid/23181
- http://www.vupen.com/english/advisories/2007/1144
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33302
Affected products (9)
- cpe:2.3:a:cisco:unified_callmanager:5.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:5.0\(1\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:5.0\(2\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:5.0\(3\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:5.0\(3a\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_callmanager:5.0\(4\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_presence_server:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_presence_server:1.0\(1\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_presence_server:1.0\(2\):*:*:*:*:*:*:*
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