CVE-1999-0990 describes an information disclosure vulnerability in the Gnome Display Manager (GDM) when the VerboseAuth setting is enabled. This misconfiguration allows an attacker to discern valid usernames on a system through error messages. With a low CVSS score of 2.1, this vulnerability requires local access (AV:L) and no authentication (Au:N) to achieve a low impact on confidentiality (C:P), with no impact on integrity or availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this decades-old vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.0_beta4CPE matchmatch criteria | cpe:2.3:a:gnome:gdm:2.0_beta4:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:L/AC:L/Au:N/C:P/I:N/A:N
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The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.