Security readout for executives and security teams
This is an availability bug in FastCGI/libfcgi 2.4.0. A remote attacker can trigger a crash by creating many connections. The documented impact is denial of service, not data theft or code execution. Business urgency depends on whether exposed services still rely on this old component. Likely exposure is legacy web infrastructure using FastCGI/fcgi/libfcgi 2.4.0, especially if reachable by untrusted clients. The bundle does not identify specific downstream products or configurations beyond FastCGI/libfcgi 2.4.0. Treat this as a legacy availability risk. Prioritize if internet-facing or business-critical services depend on libfcgi 2.4.0. It is less urgent where the component is absent, patched, isolated, or only reachable internally. Mitigation focus: Inventory services and packages using FastCGI, fcgi, or libfcgi 2.4.0.; Apply vendor or distribution updates where available; verify Red Hat, Ubuntu, Debian, and Mageia guidance.; Restrict untrusted direct access to FastCGI-backed services where architecture permits..
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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CVE-2012-6687 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://bugzilla.redhat.com/show_bug.cgi?id=1189958CVE reference · x_refsource_CONFIRM
- https://bugs.launchpad.net/ubuntu/+source/libfcgi/+bug/933417CVE reference · x_refsource_CONFIRM
- libfcgi-connections-dos(100696)CVE reference · vdb-entry, x_refsource_XF
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681591CVE 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.