High

Missing SSL certificate validation in localstack v2.3.2 allows attackers to eavesdrop on communications between the host and server via a man-in-the-middle attack.

  • Disclosed: 16.11.2023
  • Updated: 11.10.2026 12:20

Missing SSL certificate validation in localstack v2.3.2 allows attackers to eavesdrop on communications between the host and server via a man-in-the-middle attack.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) localstack all versions no fix

References

CVSS score 7.4/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-295
Platform
Python (PyPI)
Package
localstack
Disclosed
16.11.2023
Updated
11.10.2026 12:20

Sources and licenses

OSV / GitHub Advisory Database - GHSA-8633-g3ph-97rp - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2023-243 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: localstack

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
3
First → latest
05.2021 11.2023
Without a fix
2
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 1
  • Medium 1

Disclosures per year

  1. 2021: 2
  2. 2022: 0
  3. 2023: 1
  4. 2024: 0
  5. 2025: 0
  6. 2026: 0
  1. Missing SSL certificate validation in localstack v2.3.2 allows attackers to eavesdrop on communications between the host and server via a man-in-the-middle attack. this entry
    High · 7.4 CVE-2023-48054 all versions no fix
  2. Medium · 6.1 CVE-2021-32091 <= 0.12.10 no fix
  3. Critical · 9.8 CVE-2021-32090 < 0.12.10 0.12.10

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