Cisco Unity Connection before 7.1.5b(Su5), 8.0 and 8.5 before 8.5.1(Su3), and 8.6 before…
Priority LOW 39CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
Cisco Unity Connection before 7.1.5b(Su5), 8.0 and 8.5 before 8.5.1(Su3), and 8.6 before 8.6.2 allows remote attackers to cause a denial of service (services crash) via a series of crafted TCP segments, aka Bug ID CSCtq67899.
Why it matters now
EPSS 0.02496 84th 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 · 63
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:* | up to 7.1\(5b\)su4 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.1\(1\):*:*:*:*:*:*:* | 1.1(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.1\(1\)_es1:*:*:*:*:*:*:* | 1.1(1)_es1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.1\(1\)_es12:*:*:*:*:*:*:* | 1.1(1)_es12 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.1\(1\)_sr1:*:*:*:*:*:*:* | 1.1(1)_sr1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.2\(1\):*:*:*:*:*:*:* | 1.2(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.2\(1\)_es65:*:*:*:*:*:*:* | 1.2(1)_es65 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:1.2\(1\)sr2:*:*:*:*:*:*:* | 1.2(1)sr2 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:unity_connection:*:*:*:*:*:*:*:* Versions up to 7.1\(5b\)su4 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.1\(1\):*:*:*:*:*:*:* Versions 1.1(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.1\(1\)_es1:*:*:*:*:*:*:* Versions 1.1(1)_es1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.1\(1\)_es12:*:*:*:*:*:*:* Versions 1.1(1)_es12 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.1\(1\)_sr1:*:*:*:*:*:*:* Versions 1.1(1)_sr1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.2\(1\):*:*:*:*:*:*:* Versions 1.2(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.2\(1\)_es65:*:*:*:*:*:*:* Versions 1.2(1)_es65 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:1.2\(1\)sr2:*:*:*:*:*:*:* Versions 1.2(1)sr2 Vulnerable ·Cisco
Show 53 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:unity_connection:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.0\(1\):*:*:*:*:*:*:* | 2.0(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(1\):*:*:*:*:*:*:* | 2.1(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(2\):*:*:*:*:*:*:* | 2.1(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(3\):*:*:*:*:*:*:* | 2.1(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(3b\)su1:*:*:*:*:*:*:* | 2.1(3b)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(4\):*:*:*:*:*:*:* | 2.1(4) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(4\)su1:*:*:*:*:*:*:* | 2.1(4)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(4a\):*:*:*:*:*:*:* | 2.1(4a) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(4a\)su2:*:*:*:*:*:*:* | 2.1(4a)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(5\):*:*:*:*:*:*:* | 2.1(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(5\)su1:*:*:*:*:*:*:* | 2.1(5)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(5\)su2:*:*:*:*:*:*:* | 2.1(5)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:2.1\(5\)su3:*:*:*:*:*:*:* | 2.1(5)su3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:6.1\(3b\)su1:*:*:*:*:*:*:* | 6.1(3b)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.0\(2\):*:*:*:*:*:*:* | 7.0(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.0\(2a\)su2:*:*:*:*:*:*:* | 7.0(2a)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.0\(2a\)su3:*:*:*:*:*:*:* | 7.0(2a)su3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(2\):*:*:*:*:*:*:* | 7.1(2) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(2a\):*:*:*:*:*:*:* | 7.1(2a) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(2a\)su1:*:*:*:*:*:*:* | 7.1(2a)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(2b\):*:*:*:*:*:*:* | 7.1(2b) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(2b\)su1:*:*:*:*:*:*:* | 7.1(2b)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3\):*:*:*:*:*:*:* | 7.1(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3a\):*:*:*:*:*:*:* | 7.1(3a) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3a\)su1:*:*:*:*:*:*:* | 7.1(3a)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3a\)su1a:*:*:*:*:*:*:* | 7.1(3a)su1a | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3b\):*:*:*:*:*:*:* | 7.1(3b) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3b\)su1:*:*:*:*:*:*:* | 7.1(3b)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(3b\)su2:*:*:*:*:*:*:* | 7.1(3b)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(5\):*:*:*:*:*:*:* | 7.1(5) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(5\)su1a:*:*:*:*:*:*:* | 7.1(5)su1a | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(5a\):*:*:*:*:*:*:* | 7.1(5a) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(5b\):*:*:*:*:*:*:* | 7.1(5b) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(5b\)su2:*:*:*:*:*:*:* | 7.1(5b)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:7.1\(5b\)su3:*:*:*:*:*:*:* | 7.1(5b)su3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(2c\):*:*:*:*:*:*:* | 8.0(2c) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(2c\)su1:*:*:*:*:*:*:* | 8.0(2c)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(3\):*:*:*:*:*:*:* | 8.0(3) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(3a\):*:*:*:*:*:*:* | 8.0(3a) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(3a\)su1:*:*:*:*:*:*:* | 8.0(3a)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(3a\)su2:*:*:*:*:*:*:* | 8.0(3a)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.0\(3a\)su3:*:*:*:*:*:*:* | 8.0(3a)su3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.5:*:*:*:*:*:*:* | 8.5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.5\(1\):*:*:*:*:*:*:* | 8.5(1) | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.5\(1\)su1:*:*:*:*:*:*:* | 8.5(1)su1 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.5\(1\)su2:*:*:*:*:*:*:* | 8.5(1)su2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:unity_connection:8.6\(1a\):*:*:*:*:*:*:* | 8.6(1a) | Vulnerable | Cisco |
- cpe:2.3:a:cisco:unity_connection:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.0\(1\):*:*:*:*:*:*:* Versions 2.0(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(1\):*:*:*:*:*:*:* Versions 2.1(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(2\):*:*:*:*:*:*:* Versions 2.1(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(3\):*:*:*:*:*:*:* Versions 2.1(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(3b\)su1:*:*:*:*:*:*:* Versions 2.1(3b)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(4\):*:*:*:*:*:*:* Versions 2.1(4) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(4\)su1:*:*:*:*:*:*:* Versions 2.1(4)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(4a\):*:*:*:*:*:*:* Versions 2.1(4a) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(4a\)su2:*:*:*:*:*:*:* Versions 2.1(4a)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(5\):*:*:*:*:*:*:* Versions 2.1(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(5\)su1:*:*:*:*:*:*:* Versions 2.1(5)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(5\)su2:*:*:*:*:*:*:* Versions 2.1(5)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:2.1\(5\)su3:*:*:*:*:*:*:* Versions 2.1(5)su3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:6.1\(3b\)su1:*:*:*:*:*:*:* Versions 6.1(3b)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.0\(2\):*:*:*:*:*:*:* Versions 7.0(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.0\(2a\)su2:*:*:*:*:*:*:* Versions 7.0(2a)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.0\(2a\)su3:*:*:*:*:*:*:* Versions 7.0(2a)su3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(2\):*:*:*:*:*:*:* Versions 7.1(2) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(2a\):*:*:*:*:*:*:* Versions 7.1(2a) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(2a\)su1:*:*:*:*:*:*:* Versions 7.1(2a)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(2b\):*:*:*:*:*:*:* Versions 7.1(2b) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(2b\)su1:*:*:*:*:*:*:* Versions 7.1(2b)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3\):*:*:*:*:*:*:* Versions 7.1(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3a\):*:*:*:*:*:*:* Versions 7.1(3a) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3a\)su1:*:*:*:*:*:*:* Versions 7.1(3a)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3a\)su1a:*:*:*:*:*:*:* Versions 7.1(3a)su1a Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3b\):*:*:*:*:*:*:* Versions 7.1(3b) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3b\)su1:*:*:*:*:*:*:* Versions 7.1(3b)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(3b\)su2:*:*:*:*:*:*:* Versions 7.1(3b)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(5\):*:*:*:*:*:*:* Versions 7.1(5) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(5\)su1a:*:*:*:*:*:*:* Versions 7.1(5)su1a Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(5a\):*:*:*:*:*:*:* Versions 7.1(5a) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(5b\):*:*:*:*:*:*:* Versions 7.1(5b) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(5b\)su2:*:*:*:*:*:*:* Versions 7.1(5b)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:7.1\(5b\)su3:*:*:*:*:*:*:* Versions 7.1(5b)su3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(2c\):*:*:*:*:*:*:* Versions 8.0(2c) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(2c\)su1:*:*:*:*:*:*:* Versions 8.0(2c)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(3\):*:*:*:*:*:*:* Versions 8.0(3) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(3a\):*:*:*:*:*:*:* Versions 8.0(3a) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(3a\)su1:*:*:*:*:*:*:* Versions 8.0(3a)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(3a\)su2:*:*:*:*:*:*:* Versions 8.0(3a)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.0\(3a\)su3:*:*:*:*:*:*:* Versions 8.0(3a)su3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.5:*:*:*:*:*:*:* Versions 8.5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.5\(1\):*:*:*:*:*:*:* Versions 8.5(1) Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.5\(1\)su1:*:*:*:*:*:*:* Versions 8.5(1)su1 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.5\(1\)su2:*:*:*:*:*:*:* Versions 8.5(1)su2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Cisco
- cpe:2.3:a:cisco:unity_connection:8.6\(1a\):*:*:*:*:*:*:* Versions 8.6(1a) Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0367
- 2026-10-03 Alias added: GHSA-f5rm-73fv-w3f7
References
More Cisco Unity Connection vulnerabilities
- TI-2026-16259 Cisco Unified Communications Products Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
- TI-2024-13188 Deserialization of untrusted data in Cisco Unified Contact Center Enterprise CVSS 3.1CRITICAL 10.0
- TI-2024-13207 Unrestricted file upload in Cisco Unity Connection CVSS 3.1CRITICAL 9.8
- TI-2017-09109 Improper authentication in Cisco Voice Operating System CVSS 3.0CRITICAL 9.8
- TI-2021-01089 Cisco Unified Communications Products Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2012-0367 · CVE Program
- CVE-2012-0367 · NVD
- FIRST EPSS
- GHSA-f5rm-73fv-w3f7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences