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CVE-1999-0006

47
FAUCET Score

CVE-1999-0006 is a buffer overflow vulnerability affecting POP servers based on BSD/Qualcomm's qpopper, specifically triggered when the system processes an excessively long PASS command. Rated as critical with a CVSS score of 9.8, this flaw permits unauthenticated remote attackers to execute arbitrary code and potentially gain root access with low attack complexity. Although historical proof-of-concept exploits are available in ExploitDB and the issue retains moderate community visibility, there is currently no evidence of active exploitation in the wild or inclusion in the CISA Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
2.4CPE matchmatch criteria
cpe:2.3:a:qualcomm:qpopper:2.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.90%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-19109 · Jun 27, 1998
This CVE's current EPSS score of 0.1190 is in the 91st percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

patches.sgi.com / support/free/security/advisories/19980801-01-I
securityfocus.com / bid/133