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Vulnerabilities / CVE-2018-11407

critical

CVE-2018-11407

An issue was discovered in the Ldap component in Symfony 2.8.x before ...

Published Modified CWE 287
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Ubuntu (medium).

Description

An issue was discovered in the Ldap component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x before 3.4.7, and 4.0.x before 4.0.7. It allows remote attackers to bypass authentication by logging in with a "null" password and valid username, which triggers an unauthenticated bind. NOTE: this issue exists because of an incomplete fix for CVE-2016-2403.

Affected packages and fixed versions

SourcePackageFixed in
composer::GitHub Security Advisory Composersymfony/security, symfony/security-core, symfony/symfony2.8.37, 3.3.17, 3.4.7, 4.0.7
composer::PHP Security Advisories Databasesymfony/security, symfony/security-core, symfony/symfonyno fix listed
debian 11symfony3.4.12+dfsg-1
debian 12symfony3.4.12+dfsg-1
debian 13symfony3.4.12+dfsg-1
debian 14symfony3.4.12+dfsg-1
echosymfony3.4.12+dfsg-1
ubuntu 18.04-ESMsymfony3.4.6+dfsg-1ubuntu0.1+esm1
Show all 12 entries from 8 sources
SourcePackageFixed in
composer::GitHub Security Advisory Composersymfony/security2.8.37, 3.3.17, 3.4.7, 4.0.7
composer::GitHub Security Advisory Composersymfony/security-core2.8.37, 3.3.17, 3.4.7, 4.0.7
composer::GitHub Security Advisory Composersymfony/symfony2.8.37, 3.3.17, 3.4.7, 4.0.7
composer::PHP Security Advisories Databasesymfony/securityno fix listed
composer::PHP Security Advisories Databasesymfony/security-coreno fix listed
composer::PHP Security Advisories Databasesymfony/symfonyno fix listed
debian 11symfony3.4.12+dfsg-1
debian 12symfony3.4.12+dfsg-1
debian 13symfony3.4.12+dfsg-1
debian 14symfony3.4.12+dfsg-1
echosymfony3.4.12+dfsg-1
ubuntu 18.04-ESMsymfony3.4.6+dfsg-1ubuntu0.1+esm1

References

All 11 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.