Vulnerability Details : CVE-2020-15955
In s/qmail through 4.0.07, an active MitM can inject arbitrary plaintext commands into a STARTTLS encrypted session between an SMTP client and s/qmail. This allows e-mail messages and user credentials to be sent to the MitM attacker.
Products affected by CVE-2020-15955
- cpe:2.3:a:fehcom:s\/qmail:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15955
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15955
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2020-15955
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-15955
-
https://nostarttls.secvuln.info/
NO STARTTLSTechnical Description;Third Party Advisory
-
https://www.fehcom.de/sqmail/sqmail.html
s/qmail - Next generation secure email transportPatch;Release Notes;Vendor Advisory
Jump to