CVE-2026-20106Disclosure(cisco / adaptive_security_appliance_software)

LOWCVSS 5.3 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of service (DoS) condition requiring a manual reboot. This vulnerability is due to trusting user input without validation. An attacker could exploit this vulnerability by sending crafted packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-401

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • adaptive_security_appliance_software
  • secure_firewall_threat_defense

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
adaptive_security_appliance_softwaresecure_firewall_threat_defense

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-03-04: 2Technical Details · 2026-03-04: 103-04
Signal classification2 categories
Disclosure
150.0%
General
150.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • CyberDudeBivash® | Global Cybersecurity Company@cyberbivash
    Disclosure

    🚨 CYBERDUDEBIVASH SENTINEL APEX ALERT 🚨 Threat: CVE-2026-20106 - Cisco Secure Firewall ASA/FTD Unauthenticated Remote Memory Exhaustion DoS Intel Report: https://ift.tt/PeYkH1m

    Post summary

    The alert announces CVE-2026-20106, a memory exhaustion Denial‑of‑Service vulnerability in Cisco Secure Firewall ASA/FTD, and directs readers to an Intel report for more information.

    0000048
    344 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-20106 A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Fi… https://www.cve.org/CVERecord?id=CVE-2026-20106

    Post summary

    The post merely references a CVE record link with a brief description, lacking any actionable details.

    00000121
    56.6K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
OSciscoadaptive_security_appliance_software---
Appciscosecure_firewall_threat_defense---

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