Vulnerability Details : CVE-2020-5275

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.
Published 2020-03-30 20:15:20
Updated 2020-04-09 17:15:13
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2020-5275

Exploit prediction scoring system (EPSS) score for CVE-2020-5275

EPSS FAQ
0.27%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-5275

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:N
8.0
4.9
 NIST
8.1
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
2.8
5.2
 NIST
7.6
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
2.3
4.7
 GitHub, Inc.

CWE ids for CVE-2020-5275

  • The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
    Assigned by: security-advisories@github.com (Secondary)
  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-5275

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