CVE-2023-20269
Cisco Adaptive Security Appliance and Firepower Threat Defense: Incorrect Authorization
- Act now
- CVSS 5.0 Medium
- CISA KEV, due
- VulnCheck KEV
- ENISA exploited-vulnerability catalog
What it is
ReportedCisco 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.
Dates
What is affected
ReportedCisco; Adaptive Security Appliance and Firepower Threat Defense. Product-level identification only; no affected-version conclusion is available from this field.
Dates
Urgency and basis
Tracker computedAct now
Current priority score and EPSS: loading from the tracker record. They are read when this page loads and are not shown without JavaScript. They change daily and are not part of "Source last updated".
Dates
Exploitation evidence
ReportedActive exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Dates
What to do
ReportedApply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.
Source remediation ↗Dates
Detection and validation
Mapped metadata availability only. These signals do not change priority.
Sigma
User Added to Local Administrator Group. Level: medium. Status: stable.
Open Sigma metadataAtomic
Azure Persistence Automation Runbook Created or Modified. Executor: powershell. Elevation: not required.
Open Atomic metadataNuclei
Not mapped by tracked sources.
Evidence detail
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