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CVE-1999-0046

67
FAUCET Score

CVE-1999-0046 describes a critical buffer overflow vulnerability in the rlogin program, specifically exploitable via the TERM environmental variable. This flaw affects a wide range of operating systems including BSDi, Debian, FreeBSD, HP-UX, IBM AIX, NetBSD, NeXTstep, Oracle, and Sun. With a CVSS score of 10.0, it represents a high-severity threat allowing unauthenticated attackers to achieve complete compromise (confidentiality, integrity, and availability) over the network with low attack complexity. While not listed on the CISA KEV catalog, exploit code for various affected systems is publicly available through ExploitDB, though there is no indication of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.1CPE matchmatch criteria
cpe:2.3:o:bsdi:bsd_os:1.1:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:o:bsdi:bsd_os:2.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:o:bsdi:bsd_os:2.0.1:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:o:bsdi:bsd_os:2.1:*:*:*:*:*:*:*
0.93CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:0.93:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
51.88%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-19203 · Dec 4, 1996
This CVE's current EPSS score of 0.5188 is in the 98th percentile among its peer group of 51,466 CVEs.

Social Chatter

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

exchange.xforce.ibmcloud.com / vulnerabilities/CVE-1999-0046
Third Party AdvisoryVDB Entry