#VU82938 Path traversal in SysAid - CVE-2023-47246

Vulnerability identifier: #VU82938

Vulnerability risk: Critical

CVSSv4.0: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2023-47246

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
SysAid
Web applications / CRM systems

Vendor: SysAid

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can upload and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild by the Lace Tempest (DEV-0950) actor.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SysAid: 21.4.45 - 23.3.35

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External links
https://www.sysaid.com/blog/service-desk/on-premise-software-security-vulnerability-notification
https://twitter.com/msftsecintel/status/1722444141081076219

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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?

Yes. This vulnerability is being exploited in the wild.