CVE-2022-20921: cisco aci_multi-site_orchestrator Improper Authorization
Vulnerability summary
CVE-2022-20921 is a high (CVSS 8.8) Improper Authorization vulnerability in cisco aci_multi-site_orchestrator. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 68% of scored vulnerabilities.
Timeline
- 25-08-2022PublishedVulnerability first disclosed.
- 01-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the API implementation of Cisco ACI Multi-Site Orchestrator (MSO) could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability is due to improper authorization on specific APIs. An attacker could exploit this vulnerability by sending crafted HTTP requests. A successful exploit could allow an attacker who is authenticated with non-Administrator privileges to elevate to Administrator privileges on an affected device.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
+0.03 pp
From 1.18% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
1 vendor · 2 products
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-mso-prvesc-BPFp9cZsVendor AdvisoryX Refsource CISCO