CVE-2020-8492
moderate-risk
Published 2020-01-30
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.
Do I need to act?
~
3.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
NETWORK
/ LOW complexity
Affected Products (11)
Affected Vendors
References (32)
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html
Issue Tracking
https://bugs.python.org/issue39503
Third Party Advisory
https://security.gentoo.org/glsa/202005-09
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200221-0001/
Third Party Advisory
https://usn.ubuntu.com/4333-1/
Third Party Advisory
https://usn.ubuntu.com/4333-2/
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html
Issue Tracking
https://bugs.python.org/issue39503
and 12 more references
47
/ 100
moderate-risk
Severity
24/34 · High
Exploitability
7/34 · Low
Exposure
16/34 · Moderate