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CVE-2018-1999001

high CVSS 8.8 EPSS 18.1%

A unauthorized modification of configuration vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in User.java that allows attackers to provide crafted login credentials that cause Jenkins to move the config.xml file from the Jenkins home directory. If Jenkins is started without this file present, it will revert to the legacy defaults of granting administrator access to anonymous users.

Versions it affects

Software versions checked with the free lookup that CVE-2018-1999001 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509

At a glance

Severity
High
CVSS base score
8.8 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
18.1% probability of exploitation in the next 30 days, higher than 97% of scored vulnerabilities
Published
2018-07-23
NVD CVE.org

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