CVE-2020-15955
Last modified
CVE-2020-15955 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fehcom | S\/Qmail | <= 4.0.07 |
References
- https://nostarttls.secvuln.info/Technical Description, Third Party Advisory
- https://www.fehcom.de/sqmail/sqmail.htmlPatch, Release Notes, Vendor Advisory
- https://nostarttls.secvuln.info/Technical Description, Third Party Advisory
- https://www.fehcom.de/sqmail/sqmail.htmlPatch, Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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