CVE-2021-35217
HighInsecure Deseralization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module and reported to us by ZDI.
Published Sep 8, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-35217 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Patch Manager (Solarwinds), Orion Platform.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 73% probability of exploitation in the next 30 days.
- Fixed versions are available, including Orion Platform 2020.2.6, Patch Manager <=2020.2.5, Patch Manager 2020.2.5.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
73%
Higher than 99.4% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2021-35217 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Insecure Deseralization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module and reported to us by ZDI. An Authenticated Attacker could exploit it by executing WSAsyncExecuteTasks deserialization of untrusted data.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Patch ManagerSolarwinds | See advisory | 2020.2.5 |
| Orion Platform | >= 2020.2.5 and previous versions | 2020.2.6 |
Patched Releases
Orion Platform
2020.2.6
Patch Manager
<=2020.2.5
Timeline
Publicly disclosed
Sep 8, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-502 Deserialization of Untrusted Data
References
- advisoryhttps://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm
- advisoryhttps://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
- advisoryhttps://www.solarwinds.com/trust-center/security-advisories/cve-2021-35217
- advisoryhttps://www.zerodayinitiative.com/advisories/ZDI-21-1247/
FAQ
Common Questions.
Insecure Deseralization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module and reported to us by ZDI.
Affected: Patch Manager (Solarwinds); Orion Platform versions >= 2020.2.5 and previous versions. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Orion Platform 2020.2.6, Patch Manager <=2020.2.5, Patch Manager 2020.2.5.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
Is CVE-2021-35217 Running On Your Attack Surface?
Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.
Request A Demo