VulnerabilityModified
CVE-2023-24329
An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.
HIGH 7.5EPSS 20.5%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 20.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 20.46% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- python/python · fedoraproject/fedora · netapp/active iq unified manager · netapp/management services for element software · netapp/management services for netapp hci · netapp/ontap select deploy administration utility
- Source
- cve@mitre.org
EPSS 20.5% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/python/cpython/issues/102153Issue Tracking
- https://github.com/python/cpython/pull/99421Patch
- https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PEVICI7YNGGMSL3UCMWGE66QFLATH72/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSL6NSOAXWBJJ67XPLSSC74MNKZF3BBO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EM2XLZSTXG44TMFXF4E6VTGKR2MQCW3G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F2NY75GFDZ5T6YPN44D3VMFT5SUVTOTG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GR5US3BYILYJ4SKBV6YBNPRUBAL5P2CN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H23OSKC6UG6IWOQAUPW74YUHWRWVXJP7/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JZTLGV2HYFF4AMYJL25VDIGAIHCU7UPA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LWC4WGXER5P6Q75RFGL7QUTPP3N5JR7T/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZEHSXSCMA4WWQKXT6QV7AAR6SWNZ2VP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O5SP4RT3RRS434ZS2HQKQJ3VZW7YPKYR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OHHJHJRLEF3TDT2K3676CAUVRDD4CCMR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEUN6T22UJFXR7J5F6UUHCXXPKJ2DVHI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PURM5CFDABEWAIWZFD2MQ7ZJGCPYSQ44/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q3J5N24ECS4B6MJDRO6UAYU6GPLYBDCL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QRQHN7RWJQJHYP6E5EKESOYP5VDSHZG4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RA2MBEEES6L46OD64OBSVUUMGKNGMOWW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4IDB5OAR5Y4UK3HLMZBW4WEL2B7YFMJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZH26JGNZ5XYPZ5SAU3NKSBSPRE5OHTG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2MZOJYGFCB5PPT6AKMAU72N7QOYWLBP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UONZWLB4QVLQIY5CPDLEUEKH6WX4VQMC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WTOAUJNDWZDRWVSXJ354AYZYKRMT56HU/
- https://pointernull.com/security/python-url-parse-problem.htmlExploit, Mitigation, Technical Description, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230324-0004/Third Party Advisory
- https://www.kb.cert.org/vuls/id/127587
- https://github.com/python/cpython/issues/102153Issue Tracking
- https://github.com/python/cpython/pull/99421Patch
- https://lists.debian.org/debian-lts-announce/2023/09/msg00022.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.