#VU82294 Improper Certificate Validation in ThinUpdate - CVE-2023-4499

Vulnerability identifier: #VU82294

Vulnerability risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-4499

CWE-ID: CWE-295

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ThinUpdate
Client/Desktop applications / Other client software

Vendor: HP Development Company

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper server certificate verification. A remote attacker can perform a man-in-the-middle attack (MitM) and eavesdrop on an encrypted communication or alter the communication.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ThinUpdate: before 2.7.15

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External links
https://support.hp.com/us-en/document/ish_9440593-9440618-16
https://jvn.jp/en/jp/JVN02058996/index.html

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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.