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CVE-1999-1340

27
FAUCET Score

CVE-1999-1340 describes a buffer overflow vulnerability in the faxalter utility within Hylafax version 4.0.2. This flaw allows local users to escalate their privileges by supplying an excessively long string to the -m command line argument. With a CVSS score of 7.2 (HIGH), this vulnerability presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog or actively exploited, public exploit code exists on ExploitDB, though there is no recorded community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.2CPE matchmatch criteria
cpe:2.3:a:hylafax:hylafax:4.0.2:*:*:*:*:*:*:*

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
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-19590 · Nov 3, 1999
This CVE's current EPSS score of 0.0091 is in the 76th 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

marc.info
securityfocus.com / bid/765
ExploitVendor Advisory