Vulnerability Details : CVE-2020-28009
Exim 4 before 4.94.2 allows Integer Overflow to Buffer Overflow because get_stdinput allows unbounded reads that are accompanied by unbounded increases in a certain size variable. NOTE: exploitation may be impractical because of the execution time needed to overflow (multiple days).
Vulnerability category: Overflow
Products affected by CVE-2020-28009
- cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
Threat overview for CVE-2020-28009
Top countries where our scanners detected CVE-2020-28009
Top open port discovered on systems with this issue
80
IPs affected by CVE-2020-28009 220,409
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2020-28009
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-28009
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2020-28009
-
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-28009
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