How severe is CVE-1999-0046?

CVE-1999-0046 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-1999-0046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0046?

CVE-1999-0046 primarily affects Bsdi Bsd Os. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0046?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-1999-0046 published?

CVE-1999-0046 was published on 1997-02-06 and last updated on 2026-06-16.

CVE-1999-0046

CVE-1999-0046 is a critical-severity vulnerability in Bsdi Bsd Os with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-120.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 52% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Bsdi Bsd Os
Published: 1997-02-06
Last modified: 2026-06-16

Description

Buffer overflow of rlogin program using TERM environmental variable.

Frequently asked questions

What is CVE-1999-0046?: Buffer overflow of rlogin program using TERM environmental variable.
How severe is CVE-1999-0046?: CVE-1999-0046 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-1999-0046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0046?: CVE-1999-0046 primarily affects Bsdi Bsd Os. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0046?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-1999-0046 published?: CVE-1999-0046 was published on 1997-02-06 and last updated on 2026-06-16.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0046

Affected products (42)

cpe:2.3:o:bsdi:bsd_os:1.1:*:*:*:*:*:*:*
cpe:2.3:o:bsdi:bsd_os:2.0:*:*:*:*:*:*:*
cpe:2.3:o:bsdi:bsd_os:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:bsdi:bsd_os:2.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:0.93:*:*:*:*:*:*:*
cpe:2.3:o:digital:ultrix:-:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:2.1.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:2.1.5:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.00:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.01:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.08:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.09:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.10:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.16:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.20:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.24:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.30:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:10.34:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.5:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.1:*:*:*:*:*:*:*
cpe:2.3:o:next:nextstep:-:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:2.5.1:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:2.6:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:7.0:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:8:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:4.1.3u1:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:4.1.4:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.3:*:*:*:*:*:*:*
cpe:2.3:o:sun:sunos:5.4:*:*:*:*:*:*:*

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