How severe is CVE-2023-30797?

CVE-2023-30797 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-30797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30797?

CVE-2023-30797 affects Netflix Lemur. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30797?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-30797 published?

CVE-2023-30797 was published on 2023-04-19 and last updated on 2026-06-17.

CVE-2023-30797

CVE-2023-30797 is a high-severity vulnerability in Netflix Lemur with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Netflix Lemur
Published: 2023-04-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-30797?: 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.
How severe is CVE-2023-30797?: CVE-2023-30797 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-30797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30797?: CVE-2023-30797 affects Netflix Lemur. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-30797 published?: CVE-2023-30797 was published on 2023-04-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netflix:lemur:*:*:*:*:*:*:*:*

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CVE-2015-7764 — High (CVSS 7.5): Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.

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