CVE-2021-41833

highpriority · track · 42EPSS 0.080 · 95 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

8.01% (95th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Zoho ManageEngine Patch Connect Plus before 90099 is vulnerable to unauthenticated remote code execution.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
zohocorp manageengine patch connect plus< 9.0.0nvdUScpe:2.3:a:zohocorp:manageengine_patch_connect_plus:*:*:*:*:*:*:*:*
zohocorp manageengine patch connect plus= 9.0.0nvdUScpe:2.3:a:zohocorp:manageengine_patch_connect_plus:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2021-11-11modified 2026-06-17

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…

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.