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CVE-1999-1500

15
FAUCET Score

CVE-1999-1500 describes a denial-of-service vulnerability in True North Internet Anywhere POP3 Mail Server 2.3.1. Remote attackers can crash the server by sending malformed LIST, TOP, or UIDL commands with alphabetic arguments. This vulnerability has a medium severity score of 5.0, indicating it can be exploited remotely with low complexity to cause a partial denial of service. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.3CPE matchmatch criteria
cpe:2.3:a:true_north:internet_anywhere_mail_server:2.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.34%
Probability of exploitation in next 30 days
EPSS Percentile
68.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0135 is in the 49th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media 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

Remediation records are not available for this CVE.

References

marc.info
securityfocus.com / bid/733
ExploitPatchVendor Advisory