CVE-2011-2562
UnknownEPSS 1.21%
Last modified
CVE-2011-2562 is a vulnerability of currently unknown severity. Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (service outage) via a SIP INVITE message, aka Bug ID CSCth43256.. EPSS estimates a 1.21% chance of exploitation in the next 30 days.
Description
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (service outage) via a SIP INVITE message, aka Bug ID CSCth43256.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Unified Communications Manager | 6.0 |
| Cisco | Unified Communications Manager | 6.1\(1\) |
| Cisco | Unified Communications Manager | 6.1\(1a\) |
| Cisco | Unified Communications Manager | 6.1\(1b\) |
| Cisco | Unified Communications Manager | 6.1\(2\) |
| Cisco | Unified Communications Manager | 6.1\(2\)su1 |
| Cisco | Unified Communications Manager | 6.1\(2\)su1a |
| Cisco | Unified Communications Manager | 6.1\(3\) |
| Cisco | Unified Communications Manager | 6.1\(3a\) |
| Cisco | Unified Communications Manager | 6.1\(3b\) |
| Cisco | Unified Communications Manager | 6.1\(3b\)su1 |
| Cisco | Unified Communications Manager | 6.1\(4\) |
| Cisco | Unified Communications Manager | 6.1\(4\)su1 |
| Cisco | Unified Communications Manager | 6.1\(4a\) |
| Cisco | Unified Communications Manager | 6.1\(4a\)su2 |
| Cisco | Unified Communications Manager | 6.1\(5\) |
| Cisco | Unified Communications Manager | 6.1\(5\)su1 |
| Cisco | Unified Communications Manager | 7.0\(1\)su1 |
| Cisco | Unified Communications Manager | 7.0\(1\)su1a |
| Cisco | Unified Communications Manager | 7.0\(2\) |
| Cisco | Unified Communications Manager | 7.0\(2a\) |
| Cisco | Unified Communications Manager | 7.0\(2a\)su1 |
| Cisco | Unified Communications Manager | 7.0\(2a\)su2 |
| Cisco | Unified Communications Manager | 7.1\(2a\) |
| Cisco | Unified Communications Manager | 7.1\(2a\)su1 |
| Cisco | Unified Communications Manager | 7.1\(2b\) |
| Cisco | Unified Communications Manager | 7.1\(2b\)su1 |
| Cisco | Unified Communications Manager | 7.1\(3\) |
| Cisco | Unified Communications Manager | 7.1\(3a\) |
| Cisco | Unified Communications Manager | 7.1\(3a\)su1 |
| Cisco | Unified Communications Manager | 7.1\(3a\)su1a |
| Cisco | Unified Communications Manager | 7.1\(3b\) |
| Cisco | Unified Communications Manager | 7.1\(3b\)su1 |
| Cisco | Unified Communications Manager | 7.1\(3b\)su2 |
| Cisco | Unified Communications Manager | 7.1\(5\) |
| Cisco | Unified Communications Manager | 7.1\(5\)su1 |
| Cisco | Unified Communications Manager | 7.1\(5\)su1a |
| Cisco | Unified Communications Manager | 7.1\(5a\) |
| Cisco | Unified Communications Manager | 7.1\(5b\) |
| Cisco | Unified Communications Manager | 7.1\(5b\)su1 |
| Cisco | Unified Communications Manager | 7.1\(5b\)su1a |
| Cisco | Unified Communications Manager | 7.1\(5b\)su2 |
| Cisco | Unified Communications Manager | 8.0 |
| Cisco | Unified Communications Manager | 8.0\(2c\) |
| Cisco | Unified Communications Manager | 8.0\(2c\)su1 |
| Cisco | Unified Communications Manager | 8.0\(3\) |
| Cisco | Unified Communications Manager | 8.0\(3a\) |
| Cisco | Unified Communications Manager | 8.5 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-2562?
Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5b)su3, 8.x before 8.0(3a)su1, and 8.5 before 8.5(1) allows remote attackers to cause a denial of service (service outage) via a SIP INVITE message, aka Bug ID CSCth43256.
How severe is CVE-2011-2562?
Severity scoring for CVE-2011-2562 is pending analysis. The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2562?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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