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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IPSwitch IMail Web Calendaring service (iwebcal) allows remote attackers to cause a denial of service (crash) via an HTTP POST request without a Content-Length field.
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
–
–
4.19%
–
–
2022-04-03
–
–
4.19%
–
–
2022-07-17
–
–
4.19%
–
–
2023-03-12
–
–
–
1.59%
–
2023-06-25
–
–
–
1.59%
–
2023-07-02
–
–
–
1.68%
–
2024-01-14
–
–
–
0.98%
–
2024-02-11
–
–
–
0.98%
–
2024-06-02
–
–
–
0.98%
–
2024-07-07
–
–
–
0.98%
–
2024-12-22
–
–
–
1.21%
–
2025-01-19
–
–
–
1.21%
–
2025-03-18
–
–
–
–
11%
2025-03-30
–
–
–
–
11.69%
2025-03-30
–
–
–
–
11.69,%
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/5365/info
IMail is a commercial email server software package distributed and maintained by Ipswitch, Incorporated. IMail is available for Microsoft Operating Systems.
When a HTTP POST command is made to the web calendaring service on port 8484, and the "content-length:" header field is blank, the service becomes unstable. It has been reported that such a transaction with the service results in a crash of the iwebcal service.
An attacker may exploit this vulnerability by submitting the following request to a vulnerable server:
POST / HTTP/1.0