PT-2021-20061 · Nagvis+1 · Nagvis+1

Scott Tolley · CVE-2021-33178 · Published 2021-10-14 · Updated 2025-05-01

Positive Technologies (AI Summary)

CVSS v2.0

8.5

High

Base vector

AV:N/AC:L/Au:S/C:N/I:C/A:C

Name of the Vulnerable Software and Affected Versions NagVis versions prior to 1.9.29

Description The Manage Backgrounds functionality within NagVis is vulnerable to an authenticated path traversal vulnerability. This vulnerability allows a malicious actor to arbitrarily delete files on the local system.

Recommendations For NagVis versions prior to 1.9.29, update to version 1.9.29 or later to resolve the issue. As a temporary workaround, consider restricting access to the Manage Backgrounds functionality until a patch is available.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-33178

DLA-4149-1

Affected Products

Debian

Nagvis

References · 13

• https://osv.dev/vulnerability/DLA-4149-1 · Vendor Advisory
• https://nagvis.org/downloads/changelog/1.9.29 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-33178 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-33178 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-33178 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-33178 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-33178 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-33178 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-33178 · Security Note
• https://lists.debian.org/debian-lts-announce/2025/05/msg00000.html · Note
• https://t.me/cibsecurity/30570 · Telegram Post
• https://t.me/cvenotify/29473 · Telegram Post
• https://synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi · Note