#VU53343 Open redirect in prometheus - CVE-2021-29622

Vulnerability identifier: #VU53343

Vulnerability risk: Medium

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

CVE-ID: CVE-2021-29622

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
prometheus
Other software / Other software solutions

Vendor: Prometheus

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

prometheus: 2.23.0 - 2.27.0

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External links
http://github.com/prometheus/prometheus/security/advisories/GHSA-vx57-7f4q-fpc7

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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.