CVE-2021-1142

Name: CVE-2021-1142
Creator: NVD / NIST
Published: 2021-01-20T21:15:11.52+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.35%

Last modified Jun 17, 2026

CVE-2021-1142 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Multiple vulnerabilities in the web UI of Cisco Smart Software Manager Satellite could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.. EPSS estimates a 4.35% chance of exploitation in the next 30 days.

Description

Multiple vulnerabilities in the web UI of Cisco Smart Software Manager Satellite could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.35%

90.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Smart Software Manager Satellite	<= 5.1.0

References

Timeline

Published: Jan 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-1142?

How severe is CVE-2021-1142?

CVE-2021-1142 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.35% probability of exploitation in the next 30 days.

How do I fix CVE-2021-1142?

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-2021-1142?

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

Scan your code now

Source: NVD / NIST