HOMEVULNERABILITIESCVE-1999-0046
CRITICALPOC

CVE-1999-0046

CWE-120Published: February 6, 1997· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Buffer overflow of rlogin program using TERM environmental variable.

NVD Source

Technical Analysis

CVE-1999-0046 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-1999-0046. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

bsdi1 product(s)
bsd os
Debian1 product(s)
debian linux
digital1 product(s)
ultrix
freebsd1 product(s)
freebsd
HP1 product(s)
hp-ux
IBM1 product(s)
aix
netbsd1 product(s)
netbsd
next1 product(s)
nextstep
Oracle1 product(s)
solaris
sun1 product(s)
sunos
Source: NVD CPE · 42 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-1999-0046
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-120
CISA KEVNo
ExploitPOC
Affected10 vendor(s)
PublishedFeb 6, 1997

Related CVEs (CWE-120)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-1999-0046 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.