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Vulnerability record · CVE-2021-35251 · published 10 March 2022

CVE-2021-35251: Solarwinds web help desk error message information leak vulnerability

Solarwinds · Web Help Desk

Sensitive information could be displayed when a detailed technical error message is posted. This information could disclose environmental details about the Web Help Desk installation.

5.3 CVSS 3.1 Medium EPSS 0.95% · top 40.3% CWE-209 · Error message information leak
5.3CVSS 3.1 base score, v2 5.0
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Sensitive information could be displayed when a detailed technical error message is posted. This information could disclose environmental details about the Web Help Desk installation.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-7-8_release_notes.htm Release NotesVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35251 Vendor Advisory
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-7-8_release_notes.htm Release NotesVendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35251 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-40551SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk contains an untrusted data deserialization flaw (CWE-502) that can lead to remote code execution, allowing an attacker to ru…KEVEPSS 84%analysed9.8CVE-2025-40536SolarWinds Web Help Desk security control bypass allows unauthenticated accessSolarWinds Web Help Desk contains a security control bypass (CWE-693) that lets an unauthenticated attacker reach restricted functionality. It is rat…KEVEPSS 74%analysed9.8CVE-2025-26399SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk contains an unauthenticated deserialization flaw in the AjaxProxy component that allows remote code execution on the host. I…KEVEPSS 90%analysed9.8CVE-2024-28986SolarWinds Web Help Desk Java deserialization remote code executionSolarWinds Web Help Desk contains a Java deserialization flaw (CWE-502) that allows remote code execution on the host. The vendor originally reported…KEVEPSS 85%analysed9.1CVE-2024-28987SolarWinds Web Help Desk hardcoded credential flawSolarWinds Web Help Desk contains a hardcoded credential vulnerability (CWE-798) that lets a remote, unauthenticated attacker reach internal function…KEVEPSS 93%analysed9.8CVE-2026-28323Solarwinds web help desk improper authentication vulnerabilitySolarWinds Web Help Desk is found to be affected by a SAML authentication bypass vulnerability. This requires the SAML 2.0 authentication method to b…EPSS 1.0%9.8CVE-2025-40552SolarWinds Web Help Desk authentication bypassSolarWinds Web Help Desk contains an authentication bypass (CWE-1390) that lets an unauthenticated actor invoke actions and methods that should requi…EPSS 52%analysed9.8CVE-2025-40553SolarWinds Web Help Desk unauthenticated deserialization RCESolarWinds Web Help Desk is affected by an untrusted data deserialization flaw (CWE-502) that can lead to remote code execution. The vulnerability is…EPSS 68%analysed

Source: NIST National Vulnerability Database (record CVE-2021-35251), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.