Deserialization in Solarwinds Orion Platform
CVE-2021-35218
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
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: 0.764 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.764 · newest: 0.764 · change: 0.000
Affected products
- Solarwinds Orion Platform
- Solarwinds Patch Manager — versions 2020.5 and previous versions
Weakness classification (CWE)
Public proof-of-concept exploits
References
- documentation.solarwinds.com/en/success_center/patchman/content/release_notes/p… (Not Applicable, Vendor Advisory)
- www.solarwinds.com/trust-center/security-advisories/cve-2021-35218 (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-1248/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-35218?
- CVE-2021-35218 is a high-severity vulnerability in Solarwinds Orion Platform, classified under Deserialization of Untrusted Data. CVSS score: 8.9/10. Published 2021-09-01.
- How severe is CVE-2021-35218?
- High severity. CVSS v3 base score is 8.9 out of 10.
- Is CVE-2021-35218 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.