CVE-2021-35218

Name: CVE-2021-35218
Creator: NVD / NIST
Published: 2021-09-01T15:15:08.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 76.41%

Last modified Jun 17, 2026

CVE-2021-35218 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Deserialization of Untrusted Data in the Web Console Chart Endpoint can lead to remote code execution. An unauthorized attacker who has network access to the Orion Patch Manager Web Console could potentially exploit this and compromise the server. EPSS estimates a 76.41% chance of exploitation in the next 30 days.

Description

Deserialization of Untrusted Data in the Web Console Chart Endpoint can lead to remote code execution. An unauthorized attacker who has network access to the Orion Patch Manager Web Console could potentially exploit this and compromise the server

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

76.41%

99.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Solarwinds	Orion Platform	< 2020.2.6

References

https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htmNot Applicable, Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35218Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1248/Third Party Advisory, VDB Entry
https://documentation.solarwinds.com/en/success_center/patchman/content/release_notes/patchman_2020-2-6_release_notes.htmNot Applicable, Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35218Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1248/Third Party Advisory, VDB Entry

Timeline

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

Frequently Asked Questions

What is CVE-2021-35218?

How severe is CVE-2021-35218?

CVE-2021-35218 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 76.41% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35218?

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-2021-35218?

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

Scan your code now

Source: NVD / NIST