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AUSCERT External Security Bulletin Redistribution
cSRX Series: Storing Passwords in a Recoverable Format and software
permissions issues allows a local attacker to elevate
9 November 2022
AusCERT Security Bulletin Summary
Product: Junos OS
Publisher: Juniper Networks
Operating System: Juniper
CVE Names: CVE-2022-22251
Comment: CVSS (Max): 7.8 CVE-2022-22251 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: NVD
Revision History: November 9 2022: Correcting the typo in the Title
November 8 2022: Initial Release
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Article ID: JSA69908
Product Affected: This issue affects Junos OS 20.2, 20.3, 20.4, 21.1. Affected
platforms: cSRX Series.
Severity Level: High
CVSS Score: 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
On cSRX Series devices software permission issues in the container filesystem
and stored files combined with storing passwords in a recoverable format in
Juniper Networks Junos OS allows a local, low-privileged attacker to elevate
their permissions to take control of any instance of a cSRX software deployment.
This issue affects Juniper Networks Junos OS 20.2 version 20.2R1 and later
versions prior to 21.2R1 on cSRX Series.
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue was found during internal product security testing or research.
This issue has been assigned CVE-2022-22251.
The following software releases have been updated to resolve this specific
issue: Junos OS 21.2R1, and all subsequent releases.
Additionally, customers using Docker or Kubernetes must contact JTAC to receive
additional guidance on applying commands manually to deployments to provide a
This issue is being tracked as 1564383 which is visible on the Customer Support
Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of
Engineering (EOE) or End of Life (EOL).
Software Releases, patches and updates are available at
There are no viable workarounds for this issue.
To reduce the risk of exploitation of this issue, use access lists or firewall
filters to limit access to the cSRX instance to only trusted administrative
networks, hosts and users.
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common
Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."
2022-10-12: Initial Publication.
KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin
KB16765: In which releases are vulnerabilities fixed?
KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security
Report a Security Vulnerability - How to Contact the Juniper Networks
Security Incident Response Team
Last Updated: 2022-10-12
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