CVE-2025-35021

Summary

By failing to authenticate three times to an unconfigured Abilis CPX device via SSH, an attacker can login to a restricted shell on the fourth attempt, and from there, relay connections.

Affected Software

Weaknesses

• CWE-1188: CWE-1188 Insecure Default Initialization of Resource

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.runzero.com/advisories/abilis-cpx-authentication-bypass-cve-2025-35021/
• https://takeonme.org/gcves/GCVE-1337-2025-00000000000000000000000000000000000000000000000001011111111111011111111110000000000000000000000000000000000000000000000000000000100
• https://support.abilis.net/relnotes/cpx2k/R9.0.html#R9.0.7

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