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CVE-2022-20921

HIGHCVSS 8.8/10EPSS 1.02%

Last modified

CVE-2022-20921 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.02%

58.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoAci Multi-Site Orchestrator< 3.1\(1n\)

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-20921?
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.
How severe is CVE-2022-20921?
CVE-2022-20921 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2022-20921?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-20921?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST