Security readout for executives and security teams
Asterisk 1.8.x systems before 1.8.4.2 can be crashed remotely by malformed SIP contact data. The main business risk is voice service interruption, not data theft. Public metadata does not show CISA KEV listing or confirmed active exploitation. Exposure is most likely where Asterisk Open Source 1.8.x before 1.8.4.2 accepts SIP traffic from untrusted or broad network sources. Internet-facing SIP services carry higher availability risk. Treat as an availability risk for legacy voice infrastructure. Prioritize remediation if affected Asterisk servers support call centers, emergency workflows, customer-facing telephony, or exposed SIP trunks. Mitigation focus: Upgrade Asterisk Open Source 1.8.x installations to 1.8.4.2 or later.; Check Digium/Asterisk and distribution advisories for exact fixed package versions.; Prioritize systems handling public or partner SIP traffic..
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
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CVE-2011-2216 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
- asterisk-parseurifull-dos(67812)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.