Eyoucms
CVE-2021-39497
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function.
AnalysisAI
eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function. Affected products include: Eyoucms.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.
EyouCMS v1.5.5 was discovered to have no access control in the component /data/sqldata. Rated critical severity (CVSS 9.
EyouCMS V1.5.9-UTF8-SP1 was discovered to contain a Cross-Site Request Forgery (CSRF) via the Top Up Balance component u
EyouCMS V1.5.9 was discovered to contain multiple Cross-Site Request Forgery (CSRF) vulnerabilities via the Members Cent
EyouCMS V1.5.8-UTF8-SP1 is vulnerable to Cross Site Request Forgery (CSRF) via the background, column management functio
A CSRF vulnerability in Eyoucms v1.2.7 allows an attacker to add an admin account via login.php. Rated high severity (CV
XML external entity (XXE) injection in eyoucms v1.7.1 allows remote attackers to cause a denial of service via crafted b
EyouCMS 1.6.7 is vulnerable to Cross Site Scripting (XSS) in /login.php?m=admin&c=System&a=web&lang=cn. Rated medium sev
Cross Site Scripting vulnerability in the input parameter in eyoucms v.1.6.5 allows a remote attacker to run arbitrary c
Cross Site Scripting vulnerability in the path parameter in eyoucms v.1.6.5 allows a remote attacker to run arbitrary co
Cross Site Scripting vulnerability in num parameter in eyoucms v.1.6.5 allows a remote attacker to run arbitrary code vi
Cross Site Scripting (XSS) vulnerability in is_water parameter in eyoucms v.1.6.5 allows a remote attacker to run arbitr
Cross Site Scripting (XSS) vulnerability in the func parameter in eyoucms v.1.6.5 allows a remote attacker to run arbitr
Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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