CVE-2020-21788
Published: 24 June 2021
Summary
CVE-2020-21788 is a medium-severity SSRF (CWE-918) vulnerability in Crmeb Crmeb. Its CVSS base score is 4.3 (Medium).
Operationally, ranked at the 34.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-14556
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.
Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.
Validates server-side URLs and resource references to block SSRF attempts.
Detects server-side request forgery through monitoring of unexpected outbound connections.