#VU74622 Improper Authorization in Linkis - CVE-2023-27987

Vulnerability identifier: #VU74622

Vulnerability risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-27987

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linkis
Server applications / Application servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to gain unauthorized access to the application.

The vulnerability exists due to usage of a weak default access token. A remote attacker can brute-force the authorization token and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linkis: 0.5.0 - 1.3.1

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External links
https://lists.apache.org/thread/3cr1cz3210wzwngldwrqzm43vwhghp0p

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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.