VulnerabilityAnalyzed
CVE-2018-1000861
Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability
KEVCRITICAL 9.8EPSS 98.3%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 10 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 98.33% probability · 100th percentile
- CISA KEV
- Listed 10 February 2022 · due 10 August 2022
- Weakness
- CWE-502
- Affected
- jenkins/jenkins · redhat/openshift container platform
- Source
- cve@mitre.org
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-1000861
References
- http://packetstormsecurity.com/files/166778/Jenkins-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106176Broken Link
- https://access.redhat.com/errata/RHBA-2019:0024Third Party Advisory
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-595Vendor Advisory
- http://packetstormsecurity.com/files/166778/Jenkins-Remote-Code-Execution.htmlThird Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106176Broken Link
- https://access.redhat.com/errata/RHBA-2019:0024Third Party Advisory
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-595Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-1000861US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.