CVE-2020-5275

Firewall configured with unanimous strategy was not actually unanimous in symfony/security-http

Published Mar 30, 2020 CVSS 3.1 · 7.6 High EPSS 1.1% KEV · Not listed
Description
In symfony/security-http before versions 4.4.7 and 5.0.7, when a `Firewall` checks access control rule, it iterate overs each rule's attributes and stops as soon as the accessDecisionManager decides to grant access on the attribute, preventing the check of next attributes that should have been take into account in an unanimous strategy. The accessDecisionManager is now called with all attributes at once, allowing the unanimous strategy being applied on each attribute. This issue is patched in versions 4.4.7 and 5.0.7.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2020-0343 In symfony/security-http before versions 4.4.7 and 5.0.7, when a `Firewall` checks access control rule, it iterate overs each rule's attributes and stops as soon as the accessDecisionManager decides to grant access on the attribute, preventing the check of next attributes that should have been take into account in an unanimous strategy. The accessDecisionManager is now called with all attributes at once, allowing the unanimous strategy being applied on each attribute. This issue is patched in versions 4.4.7 and 5.0.7.
Github GHSA Github GHSA GHSA-g4m9-5hpf-hx72 Firewall configured with unanimous strategy was not actually unanimous in Symfony
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 4, 2024, 8:22 AM
Reserved
Jan 2, 2020, 12:00 AM
Status
Modified
Published
Mar 30, 2020, 8:15 PM
Modified
Jun 17, 2026, 3:21 AM