Vulnerability identifier: #VU66504

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37150

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Traffic Server
Server applications / Web servers

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to an error when handling different protocols and schemes. A remote attacker can send a specially crafted HTTP request, bypass implemented security restrictions and gain access unauthorized access to protected resources.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Traffic Server: 9.1.0 - 9.1.2, 9.0.0 - 9.0.2, 8.1.0 - 8.1.4, 8.0.0 - 8.0.8

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External links
http://lists.apache.org/thread/rc64lwbdgrkv674koc3zl1sljr9vwg21

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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.