CVE-2021-33178
The Manage Backgrounds functionality within NagVis versions prior to 1.9.29 is vulnerable to an authenticated path traversal vulnerability.
Does this matter?
Lower severity and a low EPSS score (1.94%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 1.94% probability · 80th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- nagvis/nagvis
- Source
- disclosure@synopsys.com
EPSS 1.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://nagvis.org/downloads/changelog/1.9.29Release Notes, Vendor Advisory
- https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xiThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/05/msg00000.html
- https://nagvis.org/downloads/changelog/1.9.29Release Notes, Vendor Advisory
- https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xiThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.