CVE-2022-20859: cisco cisco unified communications manager Improper Access Control
Vulnerability summary
CVE-2022-20859 is a high (CVSS 9.0) Improper Access Control vulnerability in cisco cisco unified communications manager. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.3% of scored vulnerabilities.
Timeline
- 06-07-2022PublishedVulnerability first disclosed.
- 06-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the Disaster Recovery framework of Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM & Presence Service (Unified CM IM&P), and Cisco Unity Connection could allow an authenticated, remote attacker to perform certain administrative actions they should not be able to. This vulnerability is due to insufficient access control checks on the affected device. An attacker with read-only privileges could exploit this vulnerability by executing a specific vulnerable command on an affected device. A successful exploit could allow the attacker to perform a set of administrative actions they should not be able to.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
1.27%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
+0.04 pp
From 1.23% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco4 products
- cisco unified communications managern/a
- unified_communications_manager≥ 14.0, < 14su2
- unified_communications_manager_im_and_presence_service≥ 14.0, < 14.0su2
- unity_connection≥ 14.0, < 14su2
1 vendor · 4 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucm-access-dMKvV2DYVendor AdvisoryX Refsource CISCO