CVE-2020-8492Medium· 6.5▾ SunlitPython 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.A…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 1.3 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
6.6%
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
python >= 2.7.0, <= 2.7.17python >= 3.5.0, <= 3.5.9python >= 3.6.0, <= 3.6.10python >= 3.7.0, <= 3.7.6python >= 3.8.0, <= 3.8.1leap = 15.1ubuntu_linux = 12.04ubuntu_linux = 14.04ubuntu_linux = 16.04ubuntu_linux = 18.04ubuntu_linux = 19.10ubuntu_linux = 20.04fedora = 31fedora = 32debian_linux = 9.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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