Security readout for executives and security teams
This flaw can let an attacker abuse Jenkins to send stored username and password credentials to a URL they control. It affects Jenkins environments using the XebiaLabs XL Deploy Plugin 10.0.1 and earlier. The source bundle does not show confirmed active exploitation. Exposure is limited to Jenkins installations with XebiaLabs XL Deploy Plugin 10.0.1 or earlier, especially where Jenkins stores username/password credentials usable by that plugin. Treat as urgent for Jenkins environments using this plugin because CI/CD credential theft can affect deployments and connected systems. Prioritize inventory, containment, and credential rotation if exposure is confirmed. Mitigation focus: Check Jenkins advisory for vendor-supported fixed version or removal guidance.; Upgrade the plugin if a vendor-supported fixed release is available.; Disable or remove the plugin if it is not required..
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.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-21665 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://www.jenkins.io/security/advisory/2021-06-10/#SECURITY-1982CVE 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.