CVE-2017-16661 Path traversal in n/a
Authenticated administrators can read arbitrary files via path traversal in the log viewer, exposing sensitive system data.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-16661?
CVE-2017-16661 is a medium-severity path traversal vulnerability in Cacti Cacti, published on 8 Nov 2017. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Cacti 1.1.27 allows remote authenticated administrators to read arbitrary files by placing the Log Path into a private directory, and then making a clog.php?filename= request, as demonstrated by filename=passwd (with a Log Path under /etc) to read /etc/passwd.
Weakness: CWE-200
Which versions are affected by CVE-2017-16661?
It affects 1 product.
Products include Cacti Cacti.
How do I fix CVE-2017-16661?
Apply the vendor's patch.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-16661 being exploited?
There is no known exploitation of CVE-2017-16661 in the wild and no public exploit code.
Other vulnerabilities in Cacti Cacti
- CVE-2022-46169 Cacti Command Injection
- CVE-2026-39893 Cacti: Pre-authentication SQL injection via rfilter RLIKE clause in graph_view.php
- CVE-2026-39938 Cacti: Unauthenticated RCE on Graph Image
- CVE-2026-39955 Cacti has Pre-Authentication SQL Injection via unanchored FILTER_VALIDATE_REGEXP in graph_view.php
- CVE-2023-39361 Unauthenticated SQL Injection in graph_view.php in Cacti
Sources
Also known as DEBIAN-CVE-2017-16661, GHSA-gf56-7m3m-298f.