CVE-2023-28973
Published: 17 April 2023
Summary
CVE-2023-28973 is a high-severity Improper Authorization (CWE-285) vulnerability in Juniper Junos Os Evolved. Its CVSS base score is 7.1 (High).
Operationally, ranked at the 28.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-32591
Vulnerability details
An Improper Authorization vulnerability in the 'sysmanctl' shell command of Juniper Networks Junos OS Evolved allows a local, authenticated attacker to execute administrative commands that could impact the integrity of the system or system availability. Administrative functions such as daemon…
more
restarting, routing engine (RE) switchover, and node shutdown can all be performed through exploitation of the 'sysmanctl' command. Access to the 'sysmanctl' command is only available from the Junos shell. Neither direct nor indirect access to 'sysmanctl' is available from the Junos CLI. This issue affects Juniper Networks Junos OS Evolved: All versions prior to 20.4R3-S5-EVO; 21.2 versions prior to 21.2R3-EVO; 21.3 versions prior to 21.3R2-EVO; 21.4 versions prior to 21.4R1-S2-EVO, 21.4R2-EVO.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Role-based training addresses authorization requirements and checks, lowering the risk of improper authorization.
Auditing session actions allows identification of improper authorization decisions and enforcement failures.
Audit analysis reports findings of improper authorization, reducing the impact of such weaknesses.
Documenting authorization requirements and responsibilities for each exchange ensures authorization decisions are explicitly defined and managed.
Reconstitution restores proper authorization policies and enforcement that may have been altered.
Supplies backup authorization methods to block unauthorized actions when the primary authorization process is unavailable or compromised.
Identity providers centralize and enforce authentication mechanisms, reducing improper authentication.
Mandates authorization for identifier assignment, reducing risks of improper authorization.