#VU73763 Cross-site scripting in Sophos Connect client - CVE-2022-4901

Vulnerability identifier: #VU73763

Vulnerability risk: Medium

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

CVE-ID: CVE-2022-4901

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Sophos Connect client
Client/Desktop applications / Other client software

Vendor: Sophos

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the local UI. A remote attacker can execute arbitrary HTML and script code via a malicious VPN configuration.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Sophos Connect client: before 2.2.90

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External links
https://www.sophos.com/en-us/security-advisories/sophos-sa-20230301-scc-csrf

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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.