CVE-2021-33178

highpriority · track · 27EPSS 0.019 · 80 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.94% (80th) EPSS

CVSS 8.5 · high

Is it mine?

12 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability. Exploitation of this results in a malicious actor having the ability to arbitrarily delete files on the local system.

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 · 6–8.5

v2.08.5highAV:N/AC:L/Au:S/C:N/I:C/A:Cprimary · NVD / NIST USexploitability 8 · impact 9.2

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.2

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimary

affected products (12)

Products and version ranges known to be affected.

Checkmk Checkmkall versionscert_bundDEcpe:/a:tribe29:checkmk:-
Checkmk Checkmk <2.0.0p18all versionscert_bundDE
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Nagios Enterprises Nagios XI <5.8.4all versionscert_bundDE
Nagios Enterprises Nagios XI <5.8.5all versionscert_bundDE
Nagios Enterprises Nagios XI <5.8.6all versionscert_bundDE
Nagios Enterprises Nagios XI< 5.8.4cert_bundDE
Nagios Enterprises Nagios XI< 5.8.5cert_bundDE
Nagios Enterprises Nagios XI< 5.8.6cert_bundDE
Tribe29 Checkmk< 2.0.0p18cert_bundDE
NagVis NagVis≤ <1.9.29enisa_euvdEU
nagvis nagvis< 1.9.29nvdUScpe:2.3:a:nagvis:nagvis:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0911Nagios Enterprises Nagios XI: Mehrere SchwachstellenDeutsch2021-10-14csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Nagios Enterprises Nagios XI ausnutzen, um Dateien zu manipulieren oder einen Cross-Site-Scripting-Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2021-10-14modified 2026-06-17

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Related entries.

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+12524 more

references (9)

External citations — patches, advisories, analysis.

scry

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