Critical severity · published Sep 7, 2021
CVE-2021-39497
eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function
9.8
CVSS
2.4%
EPSS
No
On KEV
Description
eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EY
Eyoucms · Eyoucms
1.5.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39497
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39497
Broken Link
http://hptcybersec.com/ssrf_PoC.jpg
Exploit
https://github.com/KietNA-HPT/CVE
Third Party Advisory
https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4
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