01 Record
CVE-2026-20034
Cisco Unity Connection Remote Code Execution Vulnerability
HighPUBLISHEDCNA: cisco
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
Cisco Unity Connection Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.71% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 53.1% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-26.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-06 16:16Z5 MO AGO
- Last updated
- 2026-05-07 03:55Z5 MO AGO
- Reserved
- 2025-10-08
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-35Path Traversal: '.../...//'Variant
- Data version
- 5.2
- Document digest
- 61fa5047790363301a7f517059b8ee2002de0d0e28edb7b446b446bac5df7887
05 Affected products
VendorProductVersionsPlatforms
CiscoCisco Unity Connection12.5(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—
06 References
- sec.cloudapps.cisco.comcisco-sa-unity-rce-ssrf-hENhuASyhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-unity-rce-ssrf-hENhuASy