Security readout for executives and security teams
Plain-English summary
Netflix Lemur before 1.3.2 could create default credentials with weak randomness. If those credentials remained in use, an attacker might guess them and access resources managed by Lemur. The issue is high risk because it can expose sensitive resources without needing prior access.
Executive priority
Prioritize within the normal high-severity patch cycle, faster where Lemur manages sensitive certificates, secrets, or production resources. The main business risk is unauthorized access through predictable credentials, not service disruption.
Technical view
CVE-2023-30797 is CWE-330 in Netflix Lemur credential generation before 1.3.2. The CVSS 3.1 score is 7.5, network exploitable, low complexity, no privileges or user interaction, with high confidentiality impact and no stated integrity or availability impact.
Likely exposure
Exposure is limited to deployments of Netflix Lemur before version 1.3.2 that used or retained affected default credentials. The provided affected-version metadata is sparse, so teams should verify directly against vendor guidance and local deployment history.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. Public sources state credentials may be guessable, which creates a plausible unauthorized-access path, but no exploit activity is cited here.
Researcher notes
The evidence supports weak random generation for default credentials and a patch commit. The bundle does not provide exploit proof, affected CPEs, or detailed vulnerable code behavior beyond credential predictability. Avoid assuming broader Netflix product exposure.
Mitigation direction
- Upgrade Netflix Lemur to version 1.3.2 or later.
- Review Netflix and GitHub advisory guidance for deployment-specific instructions.
- Rotate credentials generated by vulnerable Lemur versions.
- Remove or disable any retained default credentials.
- Review access to resources managed by Lemur.
Validation and detection
- Inventory all Lemur deployments and confirm running versions.
- Identify credentials generated before the 1.3.2 upgrade.
- Confirm affected credentials were rotated or removed.
- Review authentication logs for suspicious successful access.
- Track vendor advisories for any updated remediation guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-330: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-30797 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/Netflix/security-bulletins/blob/master/advisories/nflx-2023-001.mdCVE reference, VulnCheck · vendor-advisory
- https://github.com/Netflix/lemur/commit/666d853212174ee7f4e6f8b3b4b389ede1872238CVE reference, VulnCheck · patch
- https://github.com/Netflix/lemur/security/advisories/GHSA-5fqv-mpj8-h7gmCVE reference, VulnCheck · vendor-advisory
- https://vulncheck.com/advisories/netflix-lemur-weak-rngCVE reference, VulnCheck · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use of Insufficiently Random Values
Use of Insufficiently Random Values represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.