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CVE-1999-1516

20
FAUCET Score

CVE-1999-1516 describes a buffer overflow vulnerability in TenFour TFS Gateway SMTP mail server version 3.2. An unauthenticated attacker can crash the mail server and potentially execute arbitrary code by sending a MAIL FROM string exceeding 128 bytes. This vulnerability is rated as high severity (CVSS 7.5) due to its network-based attack vector, low complexity, and potential for partial confidentiality, integrity, and availability impact. There is no evidence of active exploitation, and no public exploit code or community discussion has been identified.

Impacted Technologies

VendorProductVersion(s)CPE
3.2CPE matchmatch criteria
cpe:2.3:a:tenfour:tfs_gateway_smtp:3.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.91%
Probability of exploitation in next 30 days
EPSS Percentile
77.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0191 is in the 61st percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marc.info