Vulnerability in Cryptography.io Cryptography
CVE-2020-25659
python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.
EPSS: 0.025 (82.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Cryptography.io Cryptography — versions 3.2
- Oracle Communications_cloud_native_core_network_function_cloud_native_environment — versions 1.10.0
- N/a Python-cryptography — versions python-cryptography 3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-25659?
- CVE-2020-25659 is a medium-severity vulnerability in Cryptography.io Cryptography, classified under CWE-385. CVSS score: 5.9/10. Published 2021-01-11.
- How severe is CVE-2020-25659?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2020-25659 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.