CVE-2021-35244

highpriority · track · 31EPSS 0.060 · 93 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

5.96% (93rd) EPSS

CVSS 8.5 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

The "Log alert to a file" action within action management enables any Orion Platform user with Orion alert management rights to write to any file. An attacker with Orion alert management rights could use this vulnerability to perform an unrestricted file upload causing a remote code execution.

cvss

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

8.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–8.5

v2.08.5highAV:N/AC:M/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 6.8 · impact 10

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.16.8mediumAV:A/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:Lsecondary · FSTEC (BDU) RU

v3.16.8mediumCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:Lsecondary · ENISA EU

v3.16.8mediumCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:Lsecondary · psirt@solarwinds.comexploitability 1 · impact 5.3

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-434USprimaryCWE-264USCWE-434US

affected products (4)

Products and version ranges known to be affected.

SolarWinds Orion Platform2020.2.6 HF 2 and previous versions → 2020.2.6 HF 3enisa_euvdEU
SolarWinds Inc. SolarWinds Orion Platform≤ 2020.2.6 Hotfix 3fstec_bduRU
solarwinds orion platform< 2020.2.6nvdUScpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*
solarwinds orion platform= 2020.2.6nvdUScpe:2.3:a:solarwinds:orion_platform:*:*:*:*:*:*:*:*

also known as (4)

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 2021-12-20modified 2026-06-17

related (5,029)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-56291US	critical9.8OT critical	14.9% (97th)	KEV	2026-07-09
Joomla Extension - balbooa.com - Unauthenticated file upload in Balbooa Forms extension < 2.4.1 - The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary f…
CVE-2026-56290US	critical9.8OT critical	30.9% (98th)	KEV	2026-06-29
Joomla Extension - joomlack.fr - Unauthenticated file upload in Page Builder CK extension < 3.6.0 - The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitra…
CVE-2026-48939US	critical9.8OT critical	20.1% (97th)	KEV	2026-06-20
A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.
CVE-2026-48908US	critical9.8OT critical	88.5% (100th)	KEV	2026-06-20
A vulnerability in SP Page Builder for Joomla allows unauthenticated users to upload arbitrary files, ultimately resulting in the upload and execution of PHP code.
CVE-2025-52691US	—OT critical	85.7% (100th)	KEV	2025-12-29
Successful exploitation of the vulnerability could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code…

+5024 more

references (13)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan