CVE-1999-0661

highpriority · attend · 69EPSS 0.542 · 99 %ileexploit · functionalEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
54.2% (99th) EPSS
CVSS 10 · high
Is it mine?
1 products
Check your exposure
Who says so?
1 sources
enisa_euvd

EPSS · scored 2026-10-26

A system is running a version of software that was replaced with a Trojan Horse at one of its distribution points, such as (1) TCP Wrappers 7.6, (2) util-linux 2.9g, (3) wuarchive ftpd (wuftpd) 2.2 and 2.1f, (4) IRC client (ircII) ircII 2.2.9, (5) OpenSSH 3.4p1, or (6) Sendmail 8.12.6.

01

cvss

Technical severity, 0–10. One row per scoring source.

10.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10
v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:Hsecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-506USLLM-inferredCWE-829USLLM-inferred
03

exploits (1)

Public proof-of-concept and weaponised exploit code.

04

affected products (1)

Products and version ranges known to be affected.

05

also known as (2)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

enisa_euvdNVDCVE.orgMITRE
published 1999-01-01modified 2026-06-16
07

references (20)

External citations — patches, advisories, analysis.

scry

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