What is CVE-2022-40870?

CVE-2022-40870 is a high-severity vulnerability in Parallels Remote Application Server, classified under Improper Encoding or Escaping of Output. CVSS score: 8.1/10. Published 2022-11-23.

How severe is CVE-2022-40870?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Parallels Remote Application Server

CVE-2022-40870

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.

EPSS: 0.010 (60.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Parallels Remote_application_server — versions 18.0
N/a — versions n/a

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-40870?: CVE-2022-40870 is a high-severity vulnerability in Parallels Remote Application Server, classified under Improper Encoding or Escaping of Output. CVSS score: 8.1/10. Published 2022-11-23.
How severe is CVE-2022-40870?: High severity. CVSS v3 base score is 8.1 out of 10.