CVE-2020-8539 json
Kia Motors Head Unit with Software version: SOP.003.30.18.0703, SOP.005.7.181019, and SOP.007.1.191209 may allow an attacker to inject unau…
published 5y ago modified 4mo ago also EUVD-2020-29405
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 1
- Metasploit
Summary
Kia Motors Head Unit with Software version: SOP.003.30.18.0703, SOP.005.7.181019, and SOP.007.1.191209 may allow an attacker to inject unauthorized commands, by executing the micomd executable deamon, to trigger unintended functionalities. In addition, this executable may be used by an attacker to inject commands to generate CAN frames that are sent into the M-CAN bus (Multimedia CAN bus) of the vehicle.
Is CVE-2020-8539 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- Published
- First public exploit (Metasploit post/android/local/koffee)
Exploit prediction
2.32% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit post/android/local/koffee KOFFEE - Kia OFFensivE Exploit metasploit post, normal rank, 2020-12-02
- sowhat.iit.cnr.it https://sowhat.iit.cnr.it/pdf/IIT-20-2020.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
sowhat.iit.cnr.it
/pdf/IIT-20-2020.pdf
exploit, third-party-advisory
-
gist.github.com
/gianpyc/4dc8b0d0c29774a10a97785711e325c3
third-party-advisory
Sources
- CVE List CVE-2020-8539
- NVD CVE-2020-8539
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.