High severity · published Nov 22, 2022
CVE-2022-40870
The Web Client of Parallels Remote Application Server v18.0 is vulnerable to Host Header Injection attacks
8.1
CVSS
2.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.2% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RA
Remote Application Server · Parallels
18.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-40870
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-40870
Exploit
https://github.com/IthacaLabs/Parallels/blob/main/ParallelsRemoteApplicationServer/HHI_CVE-2022-40870.txt
Exploit
https://github.com/IthacaLabs/Parallels/tree/main/ParallelsRemoteApplicationServer
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