Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-1045

<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.</p> <p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>

Published

2020-09-11T17:15:18.307

Last Modified

2024-11-21T05:09:37.813

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application microsoft asp.net_core ≤ 2.1.21 Yes
Application microsoft asp.net_core < 3.1.8 Yes
Operating System fedoraproject fedora 32 Yes
Operating System fedoraproject fedora 33 Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System redhat enterprise_linux_aus 8.2 Yes
Operating System redhat enterprise_linux_aus 8.4 Yes
Operating System redhat enterprise_linux_aus 8.6 Yes
Operating System redhat enterprise_linux_eus 8.2 Yes
Operating System redhat enterprise_linux_eus 8.4 Yes
Operating System redhat enterprise_linux_eus 8.6 Yes
Operating System redhat enterprise_linux_tus 8.2 Yes
Operating System redhat enterprise_linux_tus 8.4 Yes
Operating System redhat enterprise_linux_tus 8.6 Yes
References