CVE-2022-22251

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 20.2R1unaffected
Juniper NetworksJunos OS20.2R1 < 20.2*affected
Juniper NetworksJunos OS20.3R1 < 20.3*affected
Juniper NetworksJunos OS20.4R1 < 20.4*affected
Juniper NetworksJunos OS21.1R1 < 21.1*affected

Weaknesses

  • CWE-257: CWE-257 Storing Passwords in a Recoverable Format
  • CWE-275: CWE-275 Permission Issues
  • Privilege elevation

Workarounds

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.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References