CVE-2020-36242
moderate-risk
Published 2021-02-07
In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.
Do I need to act?
~
1.6% 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
9
CVSS 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Products (3)
Affected Vendors
References (12)
44
/ 100
moderate-risk
Severity
31/34 · Critical
Exploitability
4/34 · Minimal
Exposure
9/34 · Low