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Vulnerability details: VCID-418w-j3pp-s3hq
Vulnerability ID VCID-418w-j3pp-s3hq
Aliases CVE-2018-7644
GHSA-923w-2xv2-7pr8
Summary security update
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-347 Improper Verification of Cryptographic Signature
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00213 https://api.first.org/data/v1/epss?cve=CVE-2018-7644
epss 0.00213 https://api.first.org/data/v1/epss?cve=CVE-2018-7644
cvssv3.1 7.5 https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-7644.yaml
generic_textual HIGH https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-7644.yaml
cvssv3.1 7.5 https://github.com/simplesamlphp/simplesamlphp
generic_textual HIGH https://github.com/simplesamlphp/simplesamlphp
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-7644
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2018-7644
cvssv3.1 7.5 https://simplesamlphp.org/security/201802-01
generic_textual HIGH https://simplesamlphp.org/security/201802-01
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-7644
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12867
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12869
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12873
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12874
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18121
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18122
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6519
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6521
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7644
https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-7644.yaml
https://github.com/simplesamlphp/simplesamlphp
https://nvd.nist.gov/vuln/detail/CVE-2018-7644
https://simplesamlphp.org/security/201802-01
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/saml2/CVE-2018-7644.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/simplesamlphp/simplesamlphp
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-7644
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Found at https://simplesamlphp.org/security/201802-01
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.43917
EPSS Score 0.00213
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:20:15.405747+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-stretch.xml.bz2 38.6.0