CVE-2020-25659

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Source
https://cve.org/CVERecord?id=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
2021-01-11T16:15:15.040Z
Modified
2026-05-08T04:42:55.456926Z
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.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "1.10.0"
                }
            ],
            "cpe": "cpe:2.3:a:oracle:communications_cloud_native_core_network_function_cloud_native_environment:1.10.0:*:*:*:*:*:*:*"
        }
    ]
}
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
Database specific 
{
    "source": "CPE_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.2"
        }
    ],
    "cpe": "cpe:2.3:a:cryptography.io:cryptography:3.2:*:*:*:*:python:*:*"
}

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-25659.json"