Security readout for executives and security teams
This flaw affects older MIT Kerberos 5 crypto code. A remote attacker could send malformed encrypted data that is too short and crash a Kerberos daemon, disrupting authentication. The source also says arbitrary code execution may be possible, but does not prove exploitation. Exposure is likely limited to legacy systems or appliances still using vulnerable MIT Kerberos 5 versions or vendor-packaged krb5 builds from that era. Prioritize remediation where Kerberos supports critical authentication. The main business risk is authentication outage, with possible but unconfirmed code execution risk on obsolete software. Mitigation focus: Upgrade MIT Kerberos 5 to 1.7.1 or later where applicable.; Apply the relevant OS or appliance vendor security update.; Inventory embedded Kerberos libraries in legacy products and appliances..
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-2009-4212 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
- oval:org.mitre.oval:def:8192CVE reference · vdb-entry, signature
- https://bugzilla.redhat.com/show_bug.cgi?id=545015CVE reference · x_refsource_CONFIRM
- oval:org.mitre.oval:def:11272CVE reference · vdb-entry, signature
- RHSA-2010:0029CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2010:0095CVE reference · vendor-advisory, x_refsource_REDHAT
- oval:org.mitre.oval:def:7357CVE reference · vdb-entry, signature
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.