HOMEVULNERABILITIESCVE-1999-0043
CRITICAL

CVE-1999-0043

NVD-CWE-OtherPublished: December 4, 1996· Updated: Jun 16, 2026

9.8
CVSS v3.1

Official Description

Command execution via shell metachars in INN daemon (innd) 1.5 using "newgroup" and "rmgroup" control messages, and others.

NVD Source

Technical Analysis

CVE-1999-0043 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

bsdi1 product(s)
bsd os
caldera1 product(s)
openlinux
isc1 product(s)
inn
nec2 product(s)
goah intrasvgoah networksv
netscape1 product(s)
news server
Red Hat1 product(s)
linux
Source: NVD CPE · 14 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (2)

Quick Facts

CVE IDCVE-1999-0043
CVSS Score9.8 / 10
SeverityCRITICAL
CISA KEVNo
Affected6 vendor(s)
PublishedDec 4, 1996

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-1999-0043 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.