CVE-2021-35216

Name: CVE-2021-35216
Creator: NVD / NIST
Published: 2021-09-01T15:15:08.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 81.40%

Last modified Jun 17, 2026

CVE-2021-35216 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Insecure Deserialization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module. An Authenticated Attacker with network access via HTTP can compromise this vulnerability can result in Remote Code Execution.. EPSS estimates a 81.40% chance of exploitation in the next 30 days.

Description

Insecure Deserialization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module. An Authenticated Attacker with network access via HTTP can compromise this vulnerability can result in Remote Code Execution.

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

81.40%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Solarwinds	Patch Manager	< 2020.2.6

References

https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htmRelease Notes, Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35216Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1246/Third Party Advisory, VDB Entry
https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htmRelease Notes, Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35216Patch, Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1246/Third Party Advisory, VDB Entry

Timeline

Published: Sep 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35216?

How severe is CVE-2021-35216?

CVE-2021-35216 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 81.40% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35216?

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-2021-35216?

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

Scan your code now

Source: NVD / NIST