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CVE-1999-1471

18
FAUCET Score

CVE-1999-1471 describes a buffer overflow vulnerability in the 'passwd' utility within BSD-based operating systems version 4.3 and earlier. This flaw allows a local attacker to achieve root privileges by providing an excessively long shell or GECOS field. With a CVSS score of 7.2 (HIGH), this vulnerability is easily exploitable locally with low complexity, leading to complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.2CPE matchmatch criteria
cpe:2.3:o:bsd:bsd:4.2:*:*:*:*:*:*:*
4.3CPE matchmatch criteria
cpe:2.3:o:bsd:bsd:4.3:*:*:*:*:*:*:*

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
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 60th percentile among its peer group of 3,237 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

cert.org / advisories/CA-1989-01.html
PatchThird Party AdvisoryUS Government Resource
iss.net / security_center/static/7152.php
securityfocus.com / bid/4
PatchVendor Advisory