cbcvebase.
CVE-2020-3811
published 2020-05-26

CVE-2020-3811: qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

PriorityP339high7.5CVSS 3.1
AVNACLPRNUINSUCNIHAN
EPSS
1.77%
75.9th percentile
qmail-verify as used in netqmail 1.06 is prone to a mail-address verification bypass vulnerability.

Affected

9 ranges
VendorProductVersion rangeFixed in
canonicalubuntu_linux
debiandebian_linux
debiandebian_linux
debiannetqmail
netqmailnetqmail
netqmailnetqmail>= 0 < 1.06-6.2~deb10u1build0.16.04.11.06-6.2~deb10u1build0.16.04.1
netqmailnetqmail>= 0 < 1.06-6.2~deb10u1build0.18.04.11.06-6.2~deb10u1build0.18.04.1
netqmailnetqmail>= 0 < 1.06-6.2~deb10u1build0.20.04.11.06-6.2~deb10u1build0.20.04.1
netqmailnetqmail>= 0 < 1.06-6.2~deb10u1build0.14.04.1+esm11.06-6.2~deb10u1build0.14.04.1+esm1

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.