HIGH · 7.5

CVE-2020-3811

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

Vulnerability Description

qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
NetqmailNetqmail1.06
DebianDebian Linux9.0
CanonicalUbuntu Linux20.04

Related Weaknesses (CWE)

References

FAQ

What is CVE-2020-3811?

CVE-2020-3811 is a vulnerability with a CVSS score of 7.5 (HIGH). qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

How severe is CVE-2020-3811?

CVE-2020-3811 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-3811?

Check the references section above for vendor advisories and patch information. Affected products include: Netqmail Netqmail, Debian Debian Linux, Canonical Ubuntu Linux.