Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as…
Priority MEDIUM 40Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.
Why it matters now
EPSS 0.03157 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:security_agent:4.5:*:*:*:*:*:*:* | 4.5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:security_agent:4.5.1:*:*:*:*:*:*:* | 4.5.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:security_agent:4.5.1.639:*:*:*:*:*:*:* | 4.5.1.639 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:security_agent:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_callmanager:5.0\(1\):*:*:*:*:*:*:* | 5.0(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_callmanager:5.0\(2\):*:*:*:*:*:*:* | 5.0(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_callmanager:5.0\(3\):*:*:*:*:*:*:* | 5.0(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_callmanager:5.0\(3a\):*:*:*:*:*:*:* | 5.0(3a) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_callmanager:5.0\(4\):*:*:*:*:*:*:* | 5.0(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unified_presence_server:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:security_agent:4.5:*:*:*:*:*:*:* Versions 4.5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:security_agent:4.5.1:*:*:*:*:*:*:* Versions 4.5.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:security_agent:4.5.1.639:*:*:*:*:*:*:* Versions 4.5.1.639 Vulnerable ·Cisco
- cpe:2.3:a:cisco:security_agent:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_callmanager:5.0\(1\):*:*:*:*:*:*:* Versions 5.0(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_callmanager:5.0\(2\):*:*:*:*:*:*:* Versions 5.0(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_callmanager:5.0\(3\):*:*:*:*:*:*:* Versions 5.0(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_callmanager:5.0\(3a\):*:*:*:*:*:*:* Versions 5.0(3a) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_callmanager:5.0\(4\):*:*:*:*:*:*:* Versions 5.0(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unified_presence_server:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-5553
- 2026-10-03 Alias added: GHSA-m8qx-h53w-5fh9
References
More Cisco Security Agent vulnerabilities
- TI-2011-00307 The Management Console (webagent.exe) in Cisco Security Agent 5.1, 5.2, and 6.0 before… CVSS 2.0HIGH 10.0
- TI-2007-05364 Buffer overflow in a certain driver in Cisco Security Agent 4.5.1 before 4.5.1.672, 5.0… CVSS 2.0HIGH 10.0
- TI-2010-00143 Unspecified vulnerability in Cisco Security Agent 5.2 before 5.2.0.285, when running on… CVSS 2.0HIGH 7.8
- TI-2010-00141 Directory traversal vulnerability in the Management Center for Cisco Security Agents 6.0… CVSS 2.0MEDIUM 6.8
- TI-2010-00142 SQL injection vulnerability in the Management Center for Cisco Security Agents 5.1 before… CVSS 2.0MEDIUM 6.5
- TI-2007-01036 The (1) TTLS CHAP, (2) TTLS MSCHAP, (3) TTLS MSCHAPv2, (4) TTLS PAP, (5) MD5, (6) GTC… CVSS 2.0HIGH 7.2
Sources
- CVE-2006-5553 · CVE Program
- CVE-2006-5553 · NVD
- FIRST EPSS
- GHSA-m8qx-h53w-5fh9 · GitHub Advisory Database · CC BY 4.0
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