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CVE-2017-12621

CVE-2017-12621

EPSS 8.5%
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS EPSS 8.5%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
27 Sep 2017Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
During Jelly (xml) file parsing with Apache Xerces, if a custom doctype entity is declared with a "SYSTEM" entity with a URL and that entity is used in the body of the Jelly file, during parser instantiation the parser will attempt to connect to said URL. This could lead to XML External Entity (XXE) attacks in Apache Commons Jelly before 1.0.1.

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