CVE-2023-30797

Insecure Random Generation in Netflix Lemur

publishedCWE-330

Netflix Lemur before version 1.3.2 used insufficiently random values when generating default credentials. The insufficiently random values may allow an attacker to guess the credentials and gain access to resources managed by Lemur.

Technical severity7.5 highCVSS 3.1 · CNA: VulnCheck

Published2023-04-19Source updated 2026-11-08

Collected2026-11-083 attributed sources

Fixes and workarounds

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: VulnCheck

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: ADP: CVE

Fix

lemur (PyPI): OSV reports a fixed version 1.3.2. Check the advisory for supported release branches.

Source: OSV GHSA-5fqv-mpj8-h7gm

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
Lemur Netflix `lemur` pypi	≥ 0; < 1.3.2 (affected, semver) Other versions: unaffected	CNA: VulnCheck
lemur `lemur` PyPI	0.11.0 (affected, PyPI) 0.2.1 (affected, PyPI) 0.8.0 (affected, PyPI) 0.8.1 (affected, PyPI) 0.9.0 (affected, PyPI) 1.0.0 (affected, PyPI) 1.1.0 (affected, PyPI) 1.2.0 (affected, PyPI) 1.3.1 (affected, PyPI) Ecosystem version events: introduced 0; fixed 1.3.2 Source events (ECOSYSTEM) `[ { "introduced": "0" }, { "fixed": "1.3.2" } ]` Other versions: unaffected	OSV GHSA-5fqv-mpj8-h7gm

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
3.1 / 7.5 high	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`	CNA: VulnCheck
3.1 / 7.5 high	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`	ADP: CISA-ADP

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2023-001.mdCNA: VulnCheck · vendor-advisory
https://github.com/Netflix/lemur/commit/666d853212174ee7f4e6f8b3b4b389ede1872238CNA: VulnCheck · patch
https://github.com/Netflix/lemur/security/advisories/GHSA-5fqv-mpj8-h7gmCNA: VulnCheck · vendor-advisory
https://vulncheck.com/advisories/netflix-lemur-weak-rngCNA: VulnCheck · third-party-advisory
https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2023-001.mdADP: CVE · vendor-advisory, x_transferred
https://github.com/Netflix/lemur/commit/666d853212174ee7f4e6f8b3b4b389ede1872238ADP: CVE · patch, x_transferred
https://github.com/Netflix/lemur/security/advisories/GHSA-5fqv-mpj8-h7gmADP: CVE · vendor-advisory, x_transferred
https://vulncheck.com/advisories/netflix-lemur-weak-rngADP: CVE · third-party-advisory, x_transferred
https://github.com/advisories/GHSA-5fqv-mpj8-h7gmOSV / GitHub Security Advisories · advisory
https://osv.dev/vulnerability/GHSA-5fqv-mpj8-h7gmOSV / GitHub Security Advisories · osv

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