CVE-2021-29921: Python vulnerability
Vendor fix available · Affected: Python · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Percentile not published
Not scored yet. The CVE record carries no CVSS score.
DescriptionCVE.org
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.
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CoverageNo articles yet
No CyberSIXT article names CVE-2021-29921 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Vendor advisorysecurity.gentoo.org
- github.com/sickcodesgithub.com
- docs.python.org/3/library/ipaddress.htmldocs.python.org
- github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1github.com
- sick.codes/sick-2021-014sick.codes
- oracle.com//security-alerts/cpujul2021.htmloracle.com
- github.com/sickcodes/security/blob/master/advisories/SICK-2021-0github.com
- python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zerospython-security.readthedocs.io
- bugs.python.org/issue36384bugs.python.org
- github.com/python/cpython/pull/12577github.com
- github.com/python/cpython/pull/25099github.com
- security.netapp.com/advisory/ntap-20210622-0003security.netapp.com
5 more references are in the CVE record.