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EXPOSURES › CVE-2025-20333

CVE-2025-20333

HIGH ⌖ ON CISA KEV · EXPLOITED
DETAIL
SourceCISA-KEV · kev Published2025-09-25 Referencehttps://nvd.nist.gov/vuln/detail/CVE-2025-20333 ↗
⚡ RCE ⌖ EXPLOITED IN THE WILD SHAME 72/100 rceexploited-in-wildunpatched

Cisco ASA and FTD suffered remote code execution due to a buffer overflow, actively exploited in the wild.

Cisco's Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense experienced a buffer overflow vulnerability that allowed remote code execution, exploited before a patch was available.

Shame score — Active exploitation in the wild without a patch, indicating negligence in security practices.

▸ RECOMMENDED ACTION  Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.

DESCRIPTION

Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.

AFFECTED FEDRAMP PRODUCTS · 9
PRODUCTSTATUS
AppDynamics GovAPM
AppDynamics (a Cisco company)
Authorized
Cisco Cloudlock for Government
Cisco Systems Inc.
Authorized
Cisco Meraki for Government
Cisco Systems Inc.
In Process
Cisco SD-WAN for Government
Cisco Systems Inc.
In Process
Cisco Umbrella for Government
Cisco Systems Inc.
In Process
Cisco Unified Communications Manager Cloud for Government (Cisco UCM Cloud for Government)
Cisco Systems Inc.
Authorized
Duo Federal
Duo Security (A Cisco Company)
Authorized
WebEx Contact Center Enterprise for Government (WxCCE-G)
Cisco Systems Inc.
In Process
Webex for Government
Cisco Systems Inc.
Authorized