What’s Vulnerable › Vulnerabilities

CVE-2023-30797: Insecure Random Generation in Netflix Lemur

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-19 · updated 2026-07-15
• Weakness: CWE-330

Description

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.

Affected products

• Netflix lemur: before 1.3.2 — fixed in 1.3.2

How to fix

Upgrade to a fixed version: Netflix lemur 1.3.2. Check the vendor advisory for mitigations.

References

• https://github.com/Netflix/lemur/commit/666d853212174ee7f4e6f8b3b4b389ede1872238
• https://github.com/Netflix/lemur/security/advisories/GHSA-5fqv-mpj8-h7gm
• https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2023-001.md
• https://vulncheck.com/advisories/netflix-lemur-weak-rng
• https://github.com/Netflix/lemur/commit/666d853212174ee7f4e6f8b3b4b389ede1872238
• https://github.com/Netflix/lemur/security/advisories/GHSA-5fqv-mpj8-h7gm
• https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2023-001.md
• https://vulncheck.com/advisories/netflix-lemur-weak-rng

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