CVE-2021-41318

Name: CVE-2021-41318
Creator: NVD / NIST
Published: 2021-09-28T18:15:09.063+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 5.88%

Last modified Jun 17, 2026

CVE-2021-41318 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.. EPSS estimates a 5.88% chance of exploitation in the next 30 days.

Description

In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

5.88%

92.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Progress	Whatsupgold	< 21.1.0

References

http://packetstormsecurity.com/files/164359/WhatsUpGold-21.0.3-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://knowledgebase.progress.com/articles/Knowledge/WhatsUp-Gold-Security-Bulletin-September-2021Vendor Advisory
http://packetstormsecurity.com/files/164359/WhatsUpGold-21.0.3-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://knowledgebase.progress.com/articles/Knowledge/WhatsUp-Gold-Security-Bulletin-September-2021Vendor Advisory

Timeline

Published: Sep 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41318?

How severe is CVE-2021-41318?

CVE-2021-41318 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 5.88% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41318?

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-2021-41318?

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

Scan your code now

Source: NVD / NIST