CVE-2020-13167

Name: CVE-2020-13167
Creator: NVD / NIST
Published: 2020-05-19T20:15:10.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 95.42%

Last modified Jun 17, 2026

CVE-2020-13167 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Netsweeper through 6.4.3 allows unauthenticated remote code execution because webadmin/tools/unixlogin.php (with certain Referer headers) launches a command line with client-supplied parameters, and allows injection of shell metacharacters.. EPSS estimates a 95.42% chance of exploitation in the next 30 days.

Description

Netsweeper through 6.4.3 allows unauthenticated remote code execution because webadmin/tools/unixlogin.php (with certain Referer headers) launches a command line with client-supplied parameters, and allows injection of shell metacharacters.

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

95.42%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Netsweeper	Netsweeper	<= 6.4.3

References

https://ssd-disclosure.com/ssd-advisory-netsweeper-preauth-rce/Exploit, Third Party Advisory
https://ssd-disclosure.com/ssd-advisory-netsweeper-preauth-rce/Exploit, Third Party Advisory

Timeline

Published: May 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13167?

How severe is CVE-2020-13167?

CVE-2020-13167 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 95.42% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13167?

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-2020-13167?

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

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Source: NVD / NIST