CVE-2022-40870 — HIGH (8.1)

Vulnerability Description

The Web Client of Parallels Remote Application Server v18.0 is vulnerable to Host Header Injection attacks. This vulnerability allows attackers to execute arbitrary commands via a crafted payload injected into the Host header.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Parallels	Remote Application Server	18.0

Related Weaknesses (CWE)

CWE-116

References

https://github.com/IthacaLabs/Parallels/blob/main/ParallelsRemoteApplicationServExploitThird Party Advisory
https://github.com/IthacaLabs/Parallels/tree/main/ParallelsRemoteApplicationServExploitThird Party Advisory
https://github.com/IthacaLabs/Parallels/blob/main/ParallelsRemoteApplicationServExploitThird Party Advisory
https://github.com/IthacaLabs/Parallels/tree/main/ParallelsRemoteApplicationServExploitThird Party Advisory

FAQ

What is CVE-2022-40870?

CVE-2022-40870 is a vulnerability with a CVSS score of 8.1 (HIGH). The Web Client of Parallels Remote Application Server v18.0 is vulnerable to Host Header Injection attacks. This vulnerability allows attackers to execute arbitrary commands via a crafted payload inje...

How severe is CVE-2022-40870?

CVE-2022-40870 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-40870?

Check the references section above for vendor advisories and patch information. Affected products include: Parallels Remote Application Server.