MEDIUM
CVE-2020-21788
CWE-918Published: June 24, 2021· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2020-21788 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
crmeb1 product(s)
crmeb
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://gitee.com/ZhongBangKeJi/CRMEB/issues/I18MKCExploit · Third Party Advisory
→
https://gitee.com/ZhongBangKeJi/CRMEB/issues/I18MKCExploit · Third Party Advisory
Quick Facts
CVE IDCVE-2020-21788
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-918
CISA KEVNo
Affected1 vendor(s)
PublishedJun 24, 2021
Related CVEs (CWE-918)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-21788 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.