CVE-2023-48054

Name: CVE-2023-48054
Creator: NVD / NIST
Published: 2023-11-16T18:15:07.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2023-48054 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. 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.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.30%

21.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-295

Affected Software

Vendor	Product	Versions
Localstack	Localstack	2.3.2

References

https://gxx777.github.io/localstack_v_2.3.2_Cryptographic_API_Misuse_Vulnerability.mdThird Party Advisory
https://gxx777.github.io/localstack_v_2.3.2_Cryptographic_API_Misuse_Vulnerability.mdThird Party Advisory

Timeline

Published: Nov 16, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48054?

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.

How severe is CVE-2023-48054?

CVE-2023-48054 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48054?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48054?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST