RCE in Moog Exvf5c-2
CVE-2020-24054
The administration console of the Moog EXO Series EXVF5C-2 and EXVP7C2-3 units features a 'statusbroadcast' command that can spawn a given process repeatedly at a certain time interval as 'root'. One of the limitations of this feature is that it only takes a path to a binary without arguments; however, this can be circumvented using special shell variables, such as '${IFS}'. As a result, an attacker can execute arbitrary commands as 'root' on the units.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
Weakness classification (CWE)
References
- ioactive.com/moog-exo-series-multiple-vulnerabilities/ (Third Party Advisory)
- ioac.tv/3hy1xu6 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-24054?
- CVE-2020-24054 is a critical-severity vulnerability in Moog Exvf5c-2, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-08-21.
- How severe is CVE-2020-24054?
- Critical severity. CVSS v3 base score is 9.8 out of 10.