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Home CVE Database CVE-2021-29921

CVE-2021-29921

Description

In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.

Priority: HIGH
CVSS v3: 9.8
Component: python3.9
Publish Date: May 6, 2021
Related ID: --
CVSS v2: CRITICAL
Modified Date: May 6, 2021

Find out more about CVE-2021-29921 from the MITRE-CVE dictionary and NIST NVD


Products Affected

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Product Name Status Defect Fixed Downloads
Linux
Wind River Linux LTS 17 Not Vulnerable -- -- --
Wind River Linux 8 Requires LTSS -- -- --
Wind River Linux 9 Requires LTSS -- -- --
Wind River Linux 7 Requires LTSS -- -- --
Wind River Linux LTS 21 Fixed LIN1021-37
10.21.20.1 --
Wind River Linux LTS 22 Not Vulnerable -- -- --
Wind River Linux LTS 18 Not Vulnerable -- -- --
Wind River Linux LTS 19 Not Vulnerable -- -- --
Wind River Linux CD release Fixed -- 10.21.17.0 --
Wind River Linux 6 Requires LTSS -- -- --
Wind River Linux LTS 23 Not Vulnerable -- -- --
VxWorks
VxWorks 7 Fixed -- 21.11 --
VxWorks 6.9 Not Vulnerable -- -- --
Helix Virtualization Platform Cert Edition
Helix Virtualization Platform Cert Edition Not Vulnerable -- -- --

Related Products

Product Name Status Defect Fixed Downloads

Notes
Requires LTSS - customers must have active LTSS (Long Term Security Shield) Support to receive up-to-date information about vulnerabilities that may affect legacy software. Please contact your Wind River account team or see https://docs.windriver.com/bundle/Support_and_Maintenance_Supplemental_Terms_and_Conditions and https://support2.windriver.com/index.php?page=plc for more information.
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