Deserialization in Solarwinds Orion Platform
CVE-2021-35217
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.728 (99.4th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.728 · newest: 0.728 · change: 0.000
Affected products
- Solarwinds Orion Platform — versions 2020.2.5 and previous versions
- Solarwinds Patch Manager
Weakness classification (CWE)
References
- documentation.solarwinds.com/en/success_center/orionplatform/content/core-secur… (Vendor Advisory)
- documentation.solarwinds.com/en/success_center/orionplatform/content/release_no… (Release Notes, Vendor Advisory)
- www.solarwinds.com/trust-center/security-advisories/cve-2021-35217 (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-1247/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-35217?
- CVE-2021-35217 is a high-severity vulnerability in Solarwinds Orion Platform, classified under Deserialization of Untrusted Data. CVSS score: 8.9/10. Published 2021-09-08.
- How severe is CVE-2021-35217?
- High severity. CVSS v3 base score is 8.9 out of 10.