CVE-2021-35215 in the critical feed json
ActionPluginBaseView Deserialization of Untrusted Data RCE
published 5y ago modified 4mo ago also EUVD-2021-21858
- cvss
- 8.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 69.9%
- EPSS 69.9% chance of exploitation in 30 days, percentile 99.3%
- public exploits
- 0
- none known
Summary
Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5. Authentication is required to exploit this vulnerability.
Patch / fix
- SolarWinds Orion Platform 2020.2.6
Is CVE-2021-35215 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
69.94% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.9 | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- SolarWinds Orion Platform
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
solarwinds.com
/trust-center/security-advisories/cve-2021-35215
patch, vendor-advisory
-
documentation.solarwinds.com
/en/success_center/orionplatform/content/core-secure-configuration.htm
product, vendor-advisory
-
documentation.solarwinds.co
/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
broken-link
-
zerodayinitiative.com
/advisories/ZDI-21-1245/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-35215
- NVD CVE-2021-35215
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