CVE-2020-12837 json
ismartgate PRO 1.5.9 is vulnerable to malicious file uploads via the form for uploading images to garage doors.
published 2020-09-24 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5119
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
ismartgate PRO 1.5.9 is vulnerable to malicious file uploads via the form for uploading images to garage doors. The magic bytes of PNG must be used.
Exploit prediction
0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- kth.diva-portal.org https://kth.diva-portal.org/smash/get/diva2:1464458/FULLTEXT01.pdf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
kth.diva-portal.org
/smash/get/diva2:1464458/FULLTEXT01.pdf
exploit, third-party-advisory
-
ismartgate.com
/secure-garage-door/
product, vendor-advisory
Sources
- CVE List CVE-2020-12837
- NVD CVE-2020-12837
Fencer Vulns 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.