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Vulnerability details: VCID-yx59-ufsr-4fff
Vulnerability ID VCID-yx59-ufsr-4fff
Aliases CVE-2019-9942
GHSA-vxrc-68xx-x48g
Summary A sandbox information disclosure exists in Twig before 1.38.0 and 2.x before 2.7.0 because, under some circumstances, it is possible to call the __toString() method on an object even if not allowed by the security policy in place.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
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 0.00327 https://api.first.org/data/v1/epss?cve=CVE-2019-9942
cvssv3.1_qr LOW https://github.com/advisories/GHSA-vxrc-68xx-x48g
cvssv3.1 3.7 https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2019-9942.yaml
generic_textual LOW https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2019-9942.yaml
cvssv3.1 3.7 https://github.com/twigphp/Twig
generic_textual LOW https://github.com/twigphp/Twig
cvssv3.1 3.7 https://github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077
generic_textual LOW https://github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077
cvssv3.1 3.7 https://nvd.nist.gov/vuln/detail/CVE-2019-9942
generic_textual LOW https://nvd.nist.gov/vuln/detail/CVE-2019-9942
cvssv3.1 3.7 https://seclists.org/bugtraq/2019/Mar/60
generic_textual LOW https://seclists.org/bugtraq/2019/Mar/60
cvssv3.1 3.7 https://symfony.com/blog/twig-sandbox-information-disclosure
generic_textual LOW https://symfony.com/blog/twig-sandbox-information-disclosure
cvssv3.1 3.7 https://www.debian.org/security/2019/dsa-4419
generic_textual LOW https://www.debian.org/security/2019/dsa-4419
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2019-9942
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9942
https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2019-9942.yaml
https://github.com/twigphp/Twig
https://github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077
https://nvd.nist.gov/vuln/detail/CVE-2019-9942
https://seclists.org/bugtraq/2019/Mar/60
https://symfony.com/blog/twig-sandbox-information-disclosure
https://www.debian.org/security/2019/dsa-4419
GHSA-vxrc-68xx-x48g https://github.com/advisories/GHSA-vxrc-68xx-x48g
USN-5947-1 https://usn.ubuntu.com/5947-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/twig/twig/CVE-2019-9942.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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/twigphp/Twig
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/twigphp/Twig/commit/eac5422956e1dcca89a3669a03a3ff32f0502077
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-9942
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://seclists.org/bugtraq/2019/Mar/60
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://symfony.com/blog/twig-sandbox-information-disclosure
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Found at https://www.debian.org/security/2019/dsa-4419
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 0.5496
EPSS Score 0.00327
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T12:14:14.067983+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5947-1/ 36.1.3