CVE-2021-35254

Name: CVE-2021-35254
Creator: NVD / NIST
Published: 2022-03-25T19:15:08.913+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.97%

Last modified Jun 17, 2026

CVE-2021-35254 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. SolarWinds received a report of a vulnerability related to an input that was not sanitized in WebHelpDesk. SolarWinds has removed this input field to prevent the misuse of this input in the future.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.

Description

SolarWinds received a report of a vulnerability related to an input that was not sanitized in WebHelpDesk. SolarWinds has removed this input field to prevent the misuse of this input in the future.

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

0.97%

57.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Solarwinds	Webhelpdesk	< 12.7.8
Solarwinds	Webhelpdesk	12.7.8

References

https://support.solarwinds.com/SuccessCenter/s/article/Web-Help-Desk-12-7-8-Hotfix-1-Release-Notes?language=en_USMitigation, Release Notes, Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35254Patch, Vendor Advisory
https://support.solarwinds.com/SuccessCenter/s/article/Web-Help-Desk-12-7-8-Hotfix-1-Release-Notes?language=en_USMitigation, Release Notes, Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35254Patch, Vendor Advisory

Timeline

Published: Mar 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35254?

SolarWinds received a report of a vulnerability related to an input that was not sanitized in WebHelpDesk. SolarWinds has removed this input field to prevent the misuse of this input in the future.

How severe is CVE-2021-35254?

CVE-2021-35254 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35254?

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-2021-35254?

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

Scan your code now

Source: NVD / NIST