Answer in brief
CVE-2026-20034 records a High severity (CVSS 8.8) vulnerability in Cisco Unity Connection Remote Code Execution Vulnerability. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco Unity Connection (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco Unity Connection (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco Unity Connectiongeneric | 12.5(1) || 12.5(1)SU1 || 12.5(1)SU2 || 12.5(1)SU3 || 12.5(1)SU4 || 14 || 12.5(1)SU5 || 14SU1 || 12.5(1)SU6 || 14SU2 || 12.5(1)SU7 || 14SU3 || 12.5(1)SU8 || 14SU3a || 12.5(1)SU8a || 15 || 15SU1 || 14SU4 || 12.5(1)SU9 || 15SU2 || 15SU3 | Not reported |
Published upstream
May 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-20034 records a High severity (CVSS 8.8) vulnerability in Cisco Unity Connection Remote Code Execution Vulnerability. The current sources do not mark it as known exploited. The current feed maps Cisco/Cisco Unity Connection (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Cisco/Cisco Unity Connection (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Cisco/Cisco Unity Connectiongeneric | 12.5(1) || 12.5(1)SU1 || 12.5(1)SU2 || 12.5(1)SU3 || 12.5(1)SU4 || 14 || 12.5(1)SU5 || 14SU1 || 12.5(1)SU6 || 14SU2 || 12.5(1)SU7 || 14SU3 || 12.5(1)SU8 || 14SU3a || 12.5(1)SU8a || 15 || 15SU1 || 14SU4 || 12.5(1)SU9 || 15SU2 || 15SU3 | Not reported |
Published upstream
May 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 1, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 1, 2026
A vulnerability in the web-based management interface of Cisco Unity Connection could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a crafted API request. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of a targeted device. To exploit this vulnerability, the attacker must have valid user credentials on the affected device.
Quoted source text, attributed separately from HOL analysis.