CVE-2020-25659

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-25659
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25659.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-25659
Aliases
Downstream
Related
Published
2021-01-11T16:15:15Z
Modified
2025-10-15T12:11:03.670774Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/pyca/cryptography

Affected ranges

Type
GIT
Repo
https://github.com/pyca/cryptography
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
c9e65222c91df8b6f61650a3460e30232962c1e0

Affected versions

0.*

0.1
0.2
0.3
0.4
0.5
0.5.1
0.6
0.7
0.8
0.9

1.*

1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9

2.*

2.0
2.1
2.2
2.3
2.4
2.4.1
2.5
2.6
2.6.1
2.7
2.8
2.9

3.*

3.0
3.1
3.2