Security readout for executives and security teams
CVE-2019-0039 affects Juniper Junos OS when the REST API is enabled. The default REST API connection limit can make password guessing more practical, especially where administrators use weak passwords. The main business risk is unauthorized management access to network devices if exposed REST API login paths are reachable. Exposure is most likely where Junos OS devices run affected versions and have the REST API enabled, especially if reachable from untrusted networks or protected by weak administrator passwords. Treat as a prioritized network-management hardening issue, not an emergency based on current evidence. Patch or mitigate exposed REST API devices first, because compromise of management credentials can affect critical network control planes. Mitigation focus: Upgrade Junos OS to a fixed release listed in Juniper JSA10928.; Review whether the REST API is enabled and still operationally required.; Enforce strong administrator password policy for Junos accounts..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
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CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.3MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://kb.juniper.net/JSA10928CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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Improper Restriction of Excessive Authentication Attempts
Improper Restriction of Excessive Authentication Attempts represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.