Vulnerability identifier: #VU58652

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38161

CWE-ID: CWE-295

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Apache Traffic Server
Server applications / Web servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper verification of TLS origin. A remote attacker can intercept and decrypt traffic from clients.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Server: 8.1.0 - 8.1.2

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External links
http://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.