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Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability

Critical Listed in CISA KEV
CVECVE-2023-20269
First seen2023-09-13 00:00 UTC
Disclosed2023-09-13 00:00 UTC
Last updated2026-07-15 07:31 UTC
Channel statuspending_review

Summary

Cisco Adaptive Security Appliance and Firepower Threat Defense contain an unauthorized access vulnerability that could allow an unauthenticated, remote attacker to conduct a brute force attack in an attempt to identify valid username and password combinations or establish a clientless SSL VPN session with an unauthorized user.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

  • Cisco:Adaptive Security Appliance and Firepower Threat Defense

Sources

  • CISA KEV DATABASE

Original Links

Timeline

  1. kev_added CISA KEV
  2. kev_ingest CISA KEV