Vulnerability · Published Aug 17, 2021 · Assigned by mitre
CVE-2020-15955
Medium 5.9
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS NVD)5.9Medium
Exploit odds (30 days)0.9%top 38.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://www.fehcom.de/sqmail/sqmail.html x_refsource_MISC
- https://nostarttls.secvuln.info/ x_refsource_MISC