7.5

CVE-2023-38325: cryptography.io cryptography Improper Certificate Validation

Modified
AliasesALPINE-CVE-2023-38325GHSA-cf7p-gm2m-833mPYSEC-2023-112
Published 14-07-2023Last modified 30-10-2024

Vulnerability summary

CVE-2023-38325 is a high (CVSS 7.5) Improper Certificate Validation vulnerability in cryptography.io cryptography. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 54.3% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.73%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 1 · Related 3

Timeline

  1. 14-07-2023
    PublishedVulnerability first disclosed.
  2. 30-10-2024
    Last modifiedVulnerability information updated.

Description

The cryptography package before 41.0.2 for Python mishandles SSH certificates that have critical options.

CVSS metrics

8 scores · 5 sources · 2 versions

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.73% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Cryptography

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Alpine1 product
  • py3-cryptography≥ 40.0.0, < 41.0.2-r0
Chainguard1 product
  • conda< 23.7.2-r1
Cryptography.io1 product
Opensuse1 product
  • python-cryptography&distro=openSUSE Tumbleweed< 41.0.2-2.1
PyPI1 product
  • cryptography≥ 40.0.0, < 41.0.2
Wolfi1 product
  • conda< 23.7.2-r1

6 vendors · 6 products

References

17 links
Show all 17 references