Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to download sensitive files and use unbounded disk space. This vulnerability exists because a critical API lacks authentication. An attacker could exploit this vulnerability by repeatedly invoking the API. A successful exploit could allow the attacker to download sensitive files that should be restricted and consume disk space so the device could become unresponsive, causing a DoS condition.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
| Date | Total | Labels |
|---|
| 2026-09-16 | 1 | Disclosure1 |
| 2026-10-02 | 1 | Patch1 |
🚨 HIGH: CVE-2026-20343 (CVSS 7.5) affects Cisco Secure FMC Software. Unauthenticated API allows remote attackers to download sensitive files & cause DoS via disk exhaustion. Patch immediately. #CVE #Vulnerability #PatchNow #CyberSecurity https://t.co/2R2xZ83g3a
Post summary
The tweet announces CVE-2026-20343 in Cisco Secure FMC Software with technical details and urges immediate patching.
⚠️ HIGH — CVE-2026-20343 A vulnerability in a critical API for Cisco Secure FMC Software could allow an unauthenticated, remote attacker to down… CVSS 7.5 Full analysis → https://sec.kaitan.id/cves/CVE-2026-20343 #Cisco #CyberSecurity #InfoSec
Post summary
The text is a brief announcement of CVE-2026-20343 affecting Cisco Secure FMC Software, providing a CVSS 7.5 score and noting an API vulnerability exploitable by unauthenticated remote attackers, but lacks details on PoCs, exploit tools, active exploitation, or available patches.