CVE-2020-20341 json
YzmCMS v5.5 contains a server-side request forgery (SSRF) in the grab_image() function.
published 2021-09-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-13128
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
YzmCMS v5.5 contains a server-side request forgery (SSRF) in the grab_image() function.
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/yzmcms/yzmcms/issues/44 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:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/yzmcms/yzmcms/issues/44
exploit, issue-tracking, third-party-advisory
Sources
- CVE List CVE-2020-20341
- NVD CVE-2020-20341
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