Medium severity · published Oct 14, 2021
CVE-2021-33178
The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability
6.5
CVSS
1.9%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Nagvis · Nagvis
before 1.9.29 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33178
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33178
Release Notes
https://nagvis.org/downloads/changelog/1.9.29
Third Party Advisory
https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/05/msg00000.html
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