#VU45737 Cross-site request forgery in save-server - CVE-2020-15135

Vulnerability identifier: #VU45737

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-15135

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
save-server
Web applications / Modules and components for CMS

Vendor: Neztore

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install update from vendor's website.

Vulnerable software versions

save-server: 1.0.0 - 1.0.6

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External links
https://github.com/Neztore/save-server/security/advisories/GHSA-wwrj-35w6-77ff
https://medium.com/cross-site-request-forgery-csrf/double-submit-cookie-pattern-65bb71d80d9f
https://www.npmjs.com/package/save-server

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.