Vulnerability in Catchethq Catchet
CVE-2021-39173
Cachet is an open source status page system. Prior to version 2.5.1 authenticated users, regardless of their privileges (User or Admin), can trick Cachet and install the instance again, leading to arbitrary code execution on the server. This issue was addressed in version 2.5.1 by improving the middleware `ReadyForUse`, which now performs a stricter validation of the instance name. As a workaround, only allow trusted source IP addresses to access to the administration dashboard.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Catchethq Catchet
- Fiveai Cachet — versions < 2.5.1
Weakness classification (CWE)
References
- github.com/fiveai/Cachet/releases/tag/v2.5.1 (Third Party Advisory, Release Notes)
- github.com/fiveai/Cachet/security/advisories/GHSA-r67m-m8c7-jp83 (Third Party Advisory)
- blog.sonarsource.com/cachet-code-execution-via-laravel-configuration-injection/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-39173?
- CVE-2021-39173 is a high-severity vulnerability in Catchethq Catchet, classified under Incorrect Type Conversion or Cast. CVSS score: 8.8/10. Published 2021-08-27.
- How severe is CVE-2021-39173?
- High severity. CVSS v3 base score is 8.8 out of 10.