antlr ANTLR4 Grammar Action Block OutputFile.java code injection
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.3%
exploitation probability
0.3%top 77% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
antlr · ANTLR4public PoCs found — 1
cve_referencegithub.com/wooyun123/wooyun/issues/4unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.