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Lookup for vulnerable packages by Package URL.

Purlpkg:composer/symfony/security-core@2.8.6
Typecomposer
Namespacesymfony
Namesecurity-core
Version2.8.6
Qualifiers
Subpath
Is_vulnerabletrue
Next_non_vulnerable_version2.8.37
Latest_non_vulnerable_version5.2.8
Affected_by_vulnerabilities
0
url VCID-uuk9-e5qy-rfgf
vulnerability_id VCID-uuk9-e5qy-rfgf
summary 
Improper Authentication
An issue was discovered in the Ldap component in Symfony. It allows remote attackers to bypass authentication by logging in with a `null` password and valid username, which triggers an unauthenticated bind.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2018-11407
reference_id
reference_type
scores
0
value 0.00141
scoring_system epss
scoring_elements 0.33894
published_at 2026-06-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2018-11407
1
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-core/CVE-2018-11407.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-core/CVE-2018-11407.yaml
2
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2018-11407.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2018-11407.yaml
3
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-11407.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-11407.yaml
4
reference_url https://github.com/symfony/symfony
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/symfony/symfony
5
reference_url https://github.com/symfony/symfony/commit/b46fc93785d37ffa5d706a82cd175b33ce8f2934
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/symfony/symfony/commit/b46fc93785d37ffa5d706a82cd175b33ce8f2934
6
reference_url https://github.com/symfony/symfony/pull/27377
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/symfony/symfony/pull/27377
7
reference_url https://nvd.nist.gov/vuln/detail/CVE-2018-11407
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2018-11407
8
reference_url https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://symfony.com/blog/cve-2018-11407-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
9
reference_url https://symfony.com/cve-2018-11407
reference_id CVE-2018-11407
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://symfony.com/cve-2018-11407
fixed_packages
0
url pkg:composer/symfony/security-core@2.8.37
purl pkg:composer/symfony/security-core@2.8.37
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@2.8.37
1
url pkg:composer/symfony/security-core@3.3.17
purl pkg:composer/symfony/security-core@3.3.17
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-uuk9-e5qy-rfgf
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@3.3.17
2
url pkg:composer/symfony/security-core@3.4.7
purl pkg:composer/symfony/security-core@3.4.7
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@3.4.7
3
url pkg:composer/symfony/security-core@4.0.7
purl pkg:composer/symfony/security-core@4.0.7
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@4.0.7
aliases CVE-2018-11407, GHSA-35c5-28pg-2qg4
risk_score 4.5
exploitability 0.5
weighted_severity 9.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-uuk9-e5qy-rfgf
Fixing_vulnerabilities
0
url VCID-14k5-2gnt-8qgd
vulnerability_id VCID-14k5-2gnt-8qgd
summary 
Unauthorized access on a misconfigured LDAP server
There's a flaw in `LdapBindAuthenticationProvider` that allows for an unauthorized access on a misconfigured LDAP server when using an empty password. Applications are affected only if they use the LDAP authentication provider.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2016-2403
reference_id
reference_type
scores
0
value 0.00154
scoring_system epss
scoring_elements 0.35769
published_at 2026-06-04T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2016-2403
1
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-core/CVE-2016-2403.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-core/CVE-2016-2403.yaml
2
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-2403.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-2403.yaml
3
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-2403.yaml
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-2403.yaml
4
reference_url https://github.com/symfony/symfony/pull/18736
reference_id
reference_type
scores
url https://github.com/symfony/symfony/pull/18736
5
reference_url https://nvd.nist.gov/vuln/detail/CVE-2016-2403
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2016-2403
6
reference_url https://web.archive.org/web/20210123224944/http://www.securityfocus.com/bid/96137
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://web.archive.org/web/20210123224944/http://www.securityfocus.com/bid/96137
7
reference_url https://www.debian.org/security/2018/dsa-4262
reference_id
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://www.debian.org/security/2018/dsa-4262
8
reference_url https://symfony.com/cve-2016-2403
reference_id CVE-2016-2403
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url https://symfony.com/cve-2016-2403
9
reference_url http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
reference_id CVE-2016-2403-UNAUTHORIZED-ACCESS-ON-A-MISCONFIGURED-LDAP-SERVER-WHEN-USING-AN-EMPTY-PASSWORD
reference_type
scores
0
value 9.8
scoring_system cvssv3.1
scoring_elements CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1
value CRITICAL
scoring_system generic_textual
scoring_elements
url http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password
fixed_packages
0
url pkg:composer/symfony/security-core@2.8.6
purl pkg:composer/symfony/security-core@2.8.6
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-uuk9-e5qy-rfgf
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@2.8.6
1
url pkg:composer/symfony/security-core@3.0.6
purl pkg:composer/symfony/security-core@3.0.6
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-uuk9-e5qy-rfgf
resource_url http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@3.0.6
aliases CVE-2016-2403, GHSA-wvj5-r78r-hhfq
risk_score 4.5
exploitability 0.5
weighted_severity 9.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-14k5-2gnt-8qgd
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:composer/symfony/security-core@2.8.6