Security readout for executives and security teams
This flaw affects legacy Perl web applications using HTML::EP 0.2011 session cookies. A remote attacker could send a specially crafted request that abuses unsafe cookie deserialization and causes code execution. The source bundle does not show active exploitation or a named patch. Exposure is most likely in legacy Perl applications that depend on HTML::EP 0.2011 and use its Session::Cookie functionality on reachable web routes. The provided affected-product metadata is incomplete, so inventory confirmation is required. Treat as high priority only where legacy HTML::EP 0.2011 is present, especially on internet-facing systems. If the module is absent, business urgency is low after documentation of the negative inventory result. Mitigation focus: Inventory Perl applications for HTML::EP 0.2011 and Session::Cookie usage.; Check CPAN, vendor, or maintainer guidance for fixed versions or deprecation advice.; Remove or replace affected session-cookie handling where feasible..
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
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2012-6142 mapping review
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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
- htmlep-cve20126142-sec-bypass(84199)CVE reference · vdb-entry, x_refsource_XF
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.