Security readout for executives and security teams
This CVE describes a possible Squid proxy filtering bypass. A remote user may have been able to access blocked CONNECT destinations by putting an allowed hostname in the HTTP Host header. The public record also warns the issue may not be reproducible and may reflect a permissive squid.conf rule instead of a Squid flaw. Exposure appears limited to Squid 3.1.9 forward-proxy deployments using CONNECT filtering and Host-header-based ACLs. The source bundle does not identify broader affected versions, CPEs, a confirmed vulnerable configuration, or a vendor patch. Prioritize review if Squid enforces outbound web access policy, regulatory egress controls, or segmentation. Otherwise, urgency is moderate-to-low until local configuration evidence shows exposure. Mitigation focus: Review Squid and vendor guidance for this CVE before changing production controls.; Audit squid.conf for CONNECT rules that trust req_header Host regex matches.; Avoid relying on client-supplied Host headers as the sole allow decision..
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-2012-2213 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
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.