CriticalCVECISA — Known Exploited Vulnerabilities· 13 Sept 2023

CVE-2023-20269 — Cisco Adaptive Security Appliance and Firepower Threat Defense Unauthorized Access Vulnerability

Severity: Critical · Kind: Vulnerability

Plain-English summary on the way

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From the source

Cisco Adaptive Security Appliance and Firepower Threat Defense. 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. Required action: Apply mitigations per vendor instructions for group-lock and vpn-simultaneous-logins or discontinue use of the product for unsupported devices.

Vulnerability facts

CVE: CVE-2023-20269
On CISA KEV since: 2023-09-13
Ransomware use: Known

Read the original advisory →← All threat intel

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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.