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CVE-1999-0840

18
FAUCET Score

CVE-1999-0840 describes a buffer overflow vulnerability in the CDE dtmail and dtmailpr programs, specifically affecting SunOS. This flaw allows local users to escalate privileges by providing an excessively long string to the -f option. With a CVSS score of 7.2 (HIGH), successful exploitation grants complete confidentiality, integrity, and availability impact. While no known public exploits or active exploitation have been identified, and community discussion is minimal, the vulnerability remains a potential risk for unpatched systems.

Impacted Technologies

VendorProductVersion(s)CPE
5.7CPE matchmatch criteria
cpe:2.3:o:sun:sunos:5.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
33.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 45th percentile among its peer group of 3,241 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 0.5 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

exchange.xforce.ibmcloud.com / vulnerabilities/3579
exchange.xforce.ibmcloud.com / vulnerabilities/3580
securiteam.com / exploits/3J5QQPPQ0O.html
security-express.com / archives/bugtraq/1999-q4/0122.html
securityfocus.com / bid/832