CVE-2016-2403

Symfony before 2.8.6 and 3.x before 3.0.6 allows remote attackers to bypass authentication by logging in with an empty password and valid username, which triggers an unauthenticated bind.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
VendorProductVersion
sensiolabssymfony
2.8.0
sensiolabssymfony
2.8.1
sensiolabssymfony
2.8.2
sensiolabssymfony
2.8.3
sensiolabssymfony
2.8.4
sensiolabssymfony
2.8.5
sensiolabssymfony
3.0.0
sensiolabssymfony
3.0.1
sensiolabssymfony
3.0.2
sensiolabssymfony
3.0.3
sensiolabssymfony
3.0.4
sensiolabssymfony
3.0.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
symfony
bullseye
4.4.19+dfsg-2+deb11u6
fixed
jessie
not-affected
bookworm
5.4.23+dfsg-1+deb12u2
fixed
sid
6.4.13+dfsg-1
fixed
trixie
6.4.13+dfsg-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
symfony
bionic
not-affected
artful
ignored
zesty
ignored
yakkety
ignored
xenial
not-affected
wily
ignored
trusty
dne
precise
dne
Common Weakness Enumeration
References
http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
http://www.securityfocus.com/bid/96137
https://www.debian.org/security/2018/dsa-4262
http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
http://www.securityfocus.com/bid/96137
https://www.debian.org/security/2018/dsa-4262