CVE-2021-35217

mediumpriority · attend · 60EPSS 0.728 · 99 %ileEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

72.8% (99th) EPSS

CVSS 6.5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.9

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.9

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.9highAV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.18.9highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · ENISA EU

v3.18.9highCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Lsecondary · psirt@solarwinds.comexploitability 2.3 · impact 6

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-502US

affected products (3)

Products and version ranges known to be affected.

SolarWinds Orion Platform2020.2.5 and previous versions → 2020.2.6enisa_euvdEU
SolarWinds Inc. SolarWinds Patch Manager≤ 2020.2.6 HF1fstec_bduRU
solarwinds patch manager≤ 2020.2.5nvdUScpe:2.3:a:solarwinds:patch_manager:*:*:*:*:*:*:*:*

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-09-08modified 2026-06-17

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+3743 more

references (14)

External citations — patches, advisories, analysis.

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