Security readout for executives and security teams
This CVE describes a username-enumeration weakness in Nortel Networks Contivity VPN Client. Different error messages can reveal whether a username is valid. That information can help attackers focus password guessing or social engineering, but the bundle does not show code execution, direct login bypass, or confirmed active exploitation. Exposure is most likely in organizations still running legacy Nortel Contivity VPN Client or related Contivity remote-access workflows. The bundle does not identify affected versions, deployment prerequisites, or current support status. Treat this as a legacy VPN exposure review item. It is not shown as actively exploited, but username disclosure can materially improve credential-attack targeting against remote access. Mitigation focus: Inventory any Nortel Contivity VPN Client or related Contivity remote-access use.; Check Nortel, Avaya, or successor vendor guidance for patches or retirement advice.; Prioritize replacement if the Contivity stack is unsupported or internet-facing..
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-2004-1105 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
- nortel-contivity-info-disclosure(17988)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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