Privilege escalation in Cisco Emergency Responder
CVE-2023-20266
A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.005 (40.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Cisco Emergency Responder — versions 12.5(1)SU4, 12.5(1)SU8a, 14SU3
- Cisco Unified Communications Manager — versions 12.5(1)SU8
- Cisco Unity Connection — versions 12.5(1)SU6, 12.5(1)SU7, 12.5(1)SU8
- Cisco Emergency Responder — versions 12.5.1su4, 12.5.1su8a, 14su3
- Cisco Unified Communications Manager — versions 12.5.1su8
- Cisco Unity Connection — versions 12.5(1)su8, 12.5(1)su7, 14su2
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-20266?
- CVE-2023-20266 is a medium-severity vulnerability in Cisco Emergency Responder, classified under Improper Verification of Cryptographic Signature. CVSS score: 6.5/10. Published 2023-08-30.
- How severe is CVE-2023-20266?
- Medium severity. CVSS v3 base score is 6.5 out of 10.