Security readout for executives and security teams
Plain-English summary
This Jenkins issue leaks when a plugin file was last extracted, usually revealing when a plugin was installed or upgraded. It does not show direct system compromise in the supplied sources, but it can disclose operational timing that may help an attacker profile maintenance patterns.
Executive priority
Treat this as low business urgency by itself. It is not a known code execution or data breach issue from the supplied evidence, but it can aid attacker reconnaissance on exposed Jenkins systems.
Technical view
CVE-2018-1999006 is an information exposure flaw in Jenkins Plugin.java affecting Jenkins 2.132 and earlier, and 2.121.1 and earlier. Attackers can determine the last extraction timestamp of plugin HPI/JPI files, typically corresponding to plugin installation or upgrade time.
Likely exposure
Exposure is limited to Jenkins instances running the affected core versions. The supplied data does not identify affected plugins, required authentication, CVSS scoring, or environmental prerequisites.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not marked as CISA KEV. The known impact is reconnaissance value through disclosure of plugin maintenance timing.
Researcher notes
The source bundle lacks CVSS, CWE, authentication requirements, fixed version text, and proof of exploitation. Analysis should stay constrained to timestamp disclosure in Jenkins Plugin.java and affected core version ranges.
Mitigation direction
- Review the Jenkins advisory for the vendor-confirmed remediation path.
- Move affected Jenkins controllers off 2.132 or earlier and LTS 2.121.1 or earlier.
- Restrict Jenkins administrative and plugin-related visibility to trusted users.
- Track this as a low-priority hygiene fix unless paired with broader Jenkins exposure.
Validation and detection
- Inventory Jenkins controller versions across production and non-production environments.
- Flag controllers running Jenkins 2.132 or earlier, or LTS 2.121.1 or earlier.
- Confirm remediation guidance directly against the Jenkins advisory.
- After updating, verify plugin timestamp exposure is no longer observable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-1999006 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jenkins.io/security/advisory/2018-07-18/#SECURITY-925CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.