8.8

CVE-2022-20921: cisco aci_multi-site_orchestrator Improper Authorization

CVSS: 8.8v3.1HighModified
Published 25-08-2022Last modified 01-11-2024

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.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.21%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-08-2022
    PublishedVulnerability first disclosed.
  2. 01-11-2024
    Last 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

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

21-09-202621-10-2026
EPSS score
1.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

1 vendor · 2 products

References

1 links