VulnerabilityModified
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.
MEDIUM 5.9EPSS 0.95%
Does this matter?
Lower severity and a low EPSS score (0.95%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.95% probability · 59th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- fehcom/s\/qmail
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.