CVE-2020-21788 json
In CRMEB 3.1.0+ strict domain name filtering leads to SSRF(Server-Side Request Forgery).
published 2021-06-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-14556
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
In CRMEB 3.1.0+ strict domain name filtering leads to SSRF(Server-Side Request Forgery). The vulnerable code is in file /crmeb/app/admin/controller/store/CopyTaobao.php.
Exploit prediction
0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gitee.com https://gitee.com/ZhongBangKeJi/CRMEB/issues/I18MKC referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
gitee.com
/ZhongBangKeJi/CRMEB/issues/I18MKC
exploit, third-party-advisory
Sources
- CVE List CVE-2020-21788
- NVD CVE-2020-21788
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.