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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://hptcybersec.com/ssrf_PoC.jpg	Broken Link
https://github.com/KietNA-HPT/CVE	Exploit Third Party Advisory
https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:eyoucms:eyoucms:1.5.4:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-09-07 20:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-39497

Mitre link : CVE-2021-39497

CVE.ORG link : CVE-2021-39497

JSON object : View

Products Affected

eyoucms

eyoucms

CWE

CWE-918

Server-Side Request Forgery (SSRF)

{"id": "CVE-2021-39497", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-09-07T20:15:08.310", "references": [{"url": "http://hptcybersec.com/ssrf_PoC.jpg", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "https://github.com/KietNA-HPT/CVE", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/eyoucms/eyoucms/releases/tag/v1.5.4", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "eyoucms 1.5.4 lacks sanitization of input data, allowing an attacker to inject a url to trigger blind SSRF via the saveRemote() function."}, {"lang": "es", "value": "eyoucms versi\u00f3n 1.5.4, carece de saneo de los datos de entrada, permitiendo a un atacante inyectar una url para desencadenar un ataque de tipo SSRF ciego por medio de la funci\u00f3n saveRemote()"}], "lastModified": "2021-09-14T18:53:49.647", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:eyoucms:eyoucms:1.5.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C9D208-DC55-4247-A439-3803E1ECF625"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}