CPE, which stands for Common Platform Enumeration, is a standardized scheme for naming hardware, software, and operating systems. CPE provides a structured naming scheme to uniquely identify and classify information technology systems, platforms, and packages based on certain attributes such as vendor, product name, version, update, edition, and language.
CWE, or Common Weakness Enumeration, is a comprehensive list and categorization of software weaknesses and vulnerabilities. It serves as a common language for describing software security weaknesses in architecture, design, code, or implementation that can lead to vulnerabilities.
CAPEC, which stands for Common Attack Pattern Enumeration and Classification, is a comprehensive, publicly available resource that documents common patterns of attack employed by adversaries in cyber attacks. This knowledge base aims to understand and articulate common vulnerabilities and the methods attackers use to exploit them.
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Windows 2000 Telnet Server allows remote attackers to cause a denial of service by sending a continuous stream of binary zeros, which causes the server to crash.
CVE Informations
Metrics
Metrics
Score
Severity
CVSS Vector
Source
V2
5
AV:N/AC:L/Au:N/C:N/I:N/A:P
nvd@nist.gov
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
Date
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
21%
–
–
2022-04-03
–
–
21%
–
–
2023-02-26
–
–
21%
–
–
2023-03-12
–
–
–
14.84%
–
2023-07-23
–
–
–
26.88%
–
2023-11-12
–
–
–
88.54%
–
2024-02-11
–
–
–
13.37%
–
2024-06-02
–
–
–
13.37%
–
2024-08-25
–
–
–
8.35%
–
2024-12-22
–
–
–
8.35%
–
2025-02-23
–
–
–
8.35%
–
2025-01-19
–
–
–
8.35%
–
2025-02-23
–
–
–
8.35%
–
2025-03-18
–
–
–
–
38.68%
2025-03-30
–
–
–
–
37.18%
2025-03-30
–
–
–
–
37.18,%
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
source: https://www.securityfocus.com/bid/1414/info
Microsoft Windows 2000 Server comes with a telnet server to provide remote console access. A remote attacker can send a stream of binary zeros to the server, causing it to fail. If automatic restart is enabled, numerous attacks will cause the telnet server to restart until the maximum failure/restart count is exceeded, at which point the service is disabled.
An attacker can exploit this issue using netcat under Linux:
nc target.host 23 < /dev/zero