CVE-2023-48054
Missing SSL certificate validation in localstack
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2023-48054- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2023-48054- Updated
- 2026-11-02
EUVDEUVD-2023-0126 No score
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.
- Record
EUVD-2023-0126- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8633-g3ph-97rp
Missing SSL certificate validation in localstack
Missing SSL certificate validation in localstack allows attackers to eavesdrop on communications between the host and server via a man-in-the-middle attack.
- Record
GHSA-8633-g3ph-97rp- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSVGHSA-8633-g3ph-97rp
Missing SSL certificate validation in localstack
Missing SSL certificate validation in localstack allows attackers to eavesdrop on communications between the host and server via a man-in-the-middle attack.
- Record
GHSA-8633-g3ph-97rp- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSVPYSEC-2023-243
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.
- Record
PYSEC-2023-243- CVSS 3.1
- 7.4 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2023-48054- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
localstackPyPI |
through 3.0.0 | None known |
localstackPyPI |
through 3.0.0, plus listed versions 0.0.10.1.100.1.110.1.120.1.13 Show 45 moreShow less0.1.140.1.150.1.170.1.180.1.50.1.60.1.70.1.80.1.90.10.00.10.10.10.1.10.10.1.20.10.1.30.10.1.40.10.20.10.2.10.10.2.20.10.2.30.10.2.40.10.2.50.10.30.10.3.10.10.3.20.10.40.10.4.10.10.4.20.10.50.10.60.10.70.10.80.11.00.11.0.10.11.0.20.11.0.30.11.0.40.11.0.50.11.10.11.1.10.11.20.11.30.11.3.10.11.3.20.11.3.30.11.4 |
None known |
localstackPyPI |
All versions, plus listed versions 0.0.10.1.100.1.110.1.120.1.13 Show 45 moreShow less0.1.140.1.150.1.170.1.180.1.50.1.60.1.70.1.80.1.90.10.00.10.10.10.1.10.10.1.20.10.1.30.10.1.40.10.20.10.2.10.10.2.20.10.2.30.10.2.40.10.2.50.10.30.10.3.10.10.3.20.10.40.10.4.10.10.4.20.10.50.10.60.10.70.10.80.11.00.11.0.10.11.0.20.11.0.30.11.0.40.11.0.50.11.10.11.1.10.11.20.11.30.11.3.10.11.3.20.11.3.30.11.4 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-48054 is a high vulnerability (CVSS 7.4) in Localstack, published November 16, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.
References
gxx777.github.io/localstack_v_2.3.2_Cryptographic_API_Misuse_Vulnerability.md
nvd.nist.gov/vuln/detail/CVE-2023-48054
github.com/pypa/advisory-database/tree/main/vulns/localstack/PYSEC-2023-243.yaml
Left out here: 630 versions. The JSON record has them.