SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2001-0348

Microsoft Windows 2000 telnet service allows attackers to cause a denial of service (crash) via a long logon command that contains a backspace.

EXPLOIT ✓MEDIUM 5.0EPSS 18.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 18.8%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft Windows 2000 telnet service allows attackers to cause a denial of service (crash) via a long logon command that contains a backspace.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
18.75% probability · 97th percentile
Public exploits
1 in Exploit-DB · verified · first 7 June 2001
CISA KEV
Not listed
Affected
microsoft/windows 2000
Source
cve@mitre.org
EPSS trend
0%10%20%11 October 2026: 18.75%26 October 2026: 18.75%11 October 202626 October 2026

EPSS moved from 18.8% on 11 October 2026 to 18.8% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-20907source ↗Microsoft Windows Server 2000 - Telnet 'Username' Denial of Servicewindows · Michal Zalewskidos7 June 2001yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.