CVE-2020-15955
MEDIUM
5.9
CVSS Score
Published: August 17, 2021 at 05:12 PM UTC
Updated: June 17, 2026 at 02:57 AM UTC
1 product affected across 1 vendorS /qmail
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.9%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCTechnical DescriptionThird Party Advisory
Source: [email protected]
https://nostarttls.secvuln.info/x_refsource_MISCPatchRelease NotesVendor Advisory
Source: [email protected]
https://www.fehcom.de/sqmail/sqmail.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-77
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