Security readout for executives and security teams
This is an old BSD Telnet client weakness that could let someone who can sniff network traffic decrypt a supposedly protected Telnet session. The source data does not identify modern affected products, a CVSS score, or active exploitation. Exposure is most likely in legacy Unix/BSD environments still using Telnet clients with Kerberos 4 authentication and Telnet encryption enabled. Modern environments using SSH instead of Telnet are less likely exposed. Handle as a legacy exposure discovery item, not an emergency, unless Telnet with Kerberos 4 remains in production or sensitive environments. Mitigation focus: Inventory systems that still use BSD Telnet clients or Kerberos 4 authentication.; Review CERT CA-1995-03 and CIAC F-12 guidance for vendor-specific remediation.; Disable legacy Telnet/Kerberos 4 usage where business processes allow..
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-1999-1098 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.