Medium severity5.3NVD Advisory· Published Dec 25, 2020· Updated Jun 17, 2026
CVE-2020-35710
CVE-2020-35710
Description
Parallels Remote Application Server (RAS) 18 allows remote attackers to discover an intranet IP address because submission of the login form (even with blank credentials) provides this address to the attacker's client for use as a "host" value. In other words, after an attacker's web browser sent a request to the login form, it would automatically send a second request to a RASHTML5Gateway/socket.io URI with something like "host":"192.168.###.###" in the POST data.
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Affected products
3cpe:2.3:a:parallels:remote_application_server:18.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:parallels:remote_application_server:18.0:*:*:*:*:*:*:*
- (no CPE)range: 18
- Parallels/Remote Application Server (RAS)description
Patches
Vulnerability mechanics
References
2- www.elladodelmal.com/2020/12/blue-team-red-team-como-parallels-ras.htmlnvdExploitThird Party Advisory
- twitter.com/amadapa/status/1342407005110218753nvdThird Party Advisory
News mentions
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