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CVE-2023-50782

23
FAUCET Score

CVE-2023-50782 is a high-severity flaw in the python-cryptography package, affecting products like Couchbase and Red Hat. This vulnerability allows a remote attacker to decrypt captured messages from TLS servers utilizing RSA key exchanges, potentially exposing confidential data. With a CVSS score of 7.5, it has a low attack complexity and requires no user interaction, leading to a high impact on confidentiality. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_automation_platform:2.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
4CPE matchmatch criteria
cpe:2.3:a:redhat:update_infrastructure:4:*:*:*:*:*:*:*
< 42.0.0CPE matchmatch criteria
cpe:2.3:a:cryptography.io:cryptography:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.12%
Probability of exploitation in next 30 days
EPSS Percentile
62.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 41st percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

denopatch availablevia llm_extracted
View patch
keraspatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 42.0.5-1
microsoftpatch availablevia msrc
Product: cbl2 python-cryptography 3.3.2-7 on CBL Mariner 2.0
microsoftpatch availablevia msrc
Product: azl3 python-cryptography 3.3.2-5 on Azure Linux 3.0Fixed in: 42.0.5-1
microsoftpatch availablevia msrc
Product: azl3 python-cryptography 42.0.5-1 on Azure Linux 3.0Fixed in: 42.0.5-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 42.0.5-1
microsoftpatch availablevia msrc
Product: 20054-17086
microsoftpatch availablevia msrc
Product: 17984-17084Fixed in: 42.0.5-1
microsoftpatch availablevia msrc
Product: 18171-17084Fixed in: 42.0.5-1
pippatch availablevia ghsa
Product: cryptographyFixed in: 42.0.0
redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Update Infrastructure 4 for Cloud ProvidersFixed in: python-cryptography
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: python-cryptography

Vendor Advisories (6)

denollm-deno-b67a3af2ce0be075CRITICAL

HP ThinPro 8.0 SP 9 Security Updates

Jun 17, 2024
kerasllm-keras-7d8c31fee70361dcCRITICAL

HP ThinPro 8.0 SP 9 Security Updates

Jun 17, 2024
microsoft2024-Jun/CVE-2023-50782

CVE-2023-50782

Jun 11, 2024
microsoft2024-Feb/CVE-2023-50782Important

Python-cryptography: bleichenbacher timing oracle attack against rsa decryption - incomplete fix for cve-2020-25659

Feb 13, 2024
pipGHSA-3ww4-gg4f-jr7fhigh

Python Cryptography package vulnerable to Bleichenbacher timing oracle attack

Feb 5, 2024
redhatCVE-2023-50782Moderate

python-cryptography: Bleichenbacher timing oracle attack against RSA decryption - incomplete fix for CVE-2020-25659

Dec 13, 2023

References

couchbase.com / alerts
access.redhat.com / security/cve/CVE-2023-50782
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory