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CVE-2021-35215

67
FAUCET Score

CVE-2021-35215 describes an insecure deserialization vulnerability in SolarWinds Orion Platform version 2020.2.5, which could lead to Remote Code Execution. This high-severity vulnerability (CVSS 8.8) requires authentication for exploitation, but once exploited, it allows for high impact to confidentiality, integrity, and availability. Despite its high EPSS and FAUCET risk scores, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2020.2.5CPE matchmatch criteria
cpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.9HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
69.73%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.6973 is in the 99th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

documentation.solarwinds.co / enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm
Broken Link
documentation.solarwinds.com / en/success_center/orionplatform/content/core-secure-configuration.htm
ProductVendor Advisory
solarwinds.com / trust-center/security-advisories/cve-2021-35215
PatchVendor Advisory
zerodayinitiative.com / advisories/ZDI-21-1245
Third Party AdvisoryVDB Entry