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[email protected]CVE-2020-25658

HistoryNov 12, 2020 - 2:15 p.m.

CVE-2020-25658

2020-11-1214:15:22

CWE-327

CWE-385

[email protected]

web.nvd.nist.gov

110

python

rsa

vulnerability

bleichenbacher

timing attacks

nvd

cve-2020-25658

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

5.7 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.3%

JSON

It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.

Affected configurations

Vulners

NVD

Node

sybren_a._stüvelpython-rsaRange≤3.0

CPENameOperatorVersion
python-rsa_project:python-rsapython-rsa project python-rsalt4.7

CPE	Name	Operator	Version
python-rsa_project:python-rsa	python-rsa project python-rsa	lt	4.7

CNA Affected

[
  {
    "product": "python-rsa",
    "vendor": "Sybren A. Stüvel",
    "versions": [
      {
        "status": "affected",
        "version": "after 3.0 (inclusive)"
      }
    ]
  }
]