#VU64013 Improper Restriction of Rendered UI Layers or Frames in Swagger UI - CVE-2021-46708

Vulnerability identifier: #VU64013

Vulnerability risk: Medium

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:Green]

CVE-ID: CVE-2021-46708

CWE-ID: CWE-1021

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Swagger UI
Web applications / Other software

Vendor: SmartBear

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can trick the victim into opening a specially crafted URL to hijack the victim's click actions and possibly launch further attacks against the victim.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Swagger UI: 4.1.0 - 4.1.2

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External links
https://security.snyk.io/vuln/SNYK-JS-SWAGGERUIDIST-2314884
https://www.npmjs.com/package/swagger-ui-dist/v/4.1.3
https://security.netapp.com/advisory/ntap-20220407-0004/

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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.