Security readout for executives and security teams
CVE-2008-1897 affects legacy Asterisk IAX2 voice systems that allow unauthenticated calls. A remote attacker could abuse an incomplete handshake check to cause denial of service through traffic amplification, potentially disrupting voice availability. The evidence names fixed versions, but no active exploitation is cited. Exposure is most likely in legacy Asterisk Open Source, Business Edition, AsteriskNOW, Appliance Developer Kit, or s800i deployments using IAX2 and configured to allow unauthenticated calls. Modern systems are less likely affected unless old packages or appliances remain in service. Prioritize if legacy Asterisk-based voice infrastructure is internet-facing or handles critical call flows. The business risk is service disruption, not confirmed data compromise. If no affected IAX2 deployments exist, track as a legacy hygiene item. Mitigation focus: Upgrade affected Asterisk Open Source versions to the fixed releases named in vendor guidance.; Upgrade Business Edition, AsteriskNOW, and s800i systems to fixed versions where applicable.; Disable unauthenticated IAX2 calls where they are 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
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CVE-2008-1897 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
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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-iax2protocol-ack-dos(41966)CVE reference · vdb-entry
- FEDORA-2008-3390CVE reference · vendor-advisory
- FEDORA-2008-3365CVE reference · vendor-advisory
- https://downloads.asterisk.org/pub/security/AST-2008-006.htmlCVE reference
- https://github.com/xrg/asterisk-xrg/commit/51714a24347dc57f9a208a4a8af84115ef407b83CVE reference
- https://github.com/jcollie/asterisk/commit/a8b180875b037b8da26f6a3bcc8e5e98b8c904d2CVE reference
- https://github.com/xrg/asterisk-xrg/commit/10da3dab24e8ca08cf2c983f8d0206e383535b5aCVE reference
- https://github.com/jcollie/asterisk/commit/771b3d8749b34b6eea4e03a2e514380da9582f90CVE reference
- https://github.com/pruiz/asterisk/commit/e0ef9bd22810c6969a7f222eec04798f19a7e2d6CVE reference
- https://github.com/jcollie/asterisk/commit/60de4fbbdf3ede49f158e23a9e3b679f2e519c1eCVE reference
- https://github.com/mojolingo/asterisk/commit/20ac3662f137dbf7f42d5295590069a7d3b1166bCVE reference
- https://github.com/silentindark/asterisk-1/commit/fe8b7f31db687f8b9992864b82c93d22833019c7CVE reference
- https://github.com/kaoru6/asterisk/commit/1fe14f38dd43dc894d21f85762b51208ba5c8acbCVE reference
- https://github.com/lyx2014/Asterisk/commit/0670e43c30135044e25cca7f80e1833e2c128653CVE reference
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.