CVE-2023-35042: GeoServer RCE due to improper control of generation of code in jai-ext`Jiffle` map algebra language

Severity: Critical

CVSS Score: 9.8

GeoServer 2, in some configurations, allows remote attackers to execute arbitrary code via java.lang.Runtime.getRuntime().exec in wps:LiteralData within a wps:Execute request, as exploited in the wild in June 2023. NOTE: the vendor states that they are unable to reproduce this in any version.