CVE-2025-20268Network attack vector

Policy bypass via incompletely parsed HTTP URLs

Published Aug 14, 2025 · Updated Aug 14, 2025

Policy bypass in Cisco Firepower Threat Defense 7.7.0 allows remote attackers to access networks through crafted HTTP connections. The Geolocation-Based Remote Access VPN policy path incompletely parses the request URL before applying country or region access rules. The feature must be enabled; successful requests cross a geographic policy boundary that should have denied access.

CVSS severity5.8
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Policy bypass in Cisco Firepower Threat Defense 7.7.0 allows remote attackers to access networks through crafted HTTP connections. The Geolocation-Based Remote Access VPN policy path incompletely parses the request URL before applying country or region access rules. The feature must be enabled; successful requests cross a geographic policy boundary that should have denied access.

The record

CVE
CVE-2025-20268
Published
Aug 14, 2025
Updated
Aug 14, 2025
Vendor
ClamAV
Product
Cisco Firepower Threat Defense
Classifications
CWE-229, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 14, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.7.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Firepower Threat Defenseversion=7.7.0

Published CVSS scores

5.8CiscoCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-229Improper Handling of Values
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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