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CVE-2024-6594— WatchGuard Firebox Single Sign-On Client Denial-of-Service

Quick assessment

Affected
WatchGuard SSO Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WatchGuard Authentication Gateway（WatchGuard Single Sign-On Agent）是美国WatchGuard公司的一个身份验证网关。 WatchGuard Authentication Gateway 12.7及之前版本存在安全漏洞，该漏洞源于异常条件处理不当，具有网络访问权限的攻击者可以通过反复发送畸形命令来造成单点登录服务的拒绝服务状态。

CVSS 8.7 · High EPSS 0.64% · P50

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
WatchGuard SSO Client 12.0≤ 12.7 affected
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I. Basic Information for CVE-2024-6594

Vulnerability Information
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Vulnerability Title
WatchGuard Firebox Single Sign-On Client Denial-of-Service
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WatchGuard Authentication Gateway 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WatchGuard Authentication Gateway（WatchGuard Single Sign-On Agent）是美国WatchGuard公司的一个身份验证网关。 WatchGuard Authentication Gateway 12.7及之前版本存在安全漏洞，该漏洞源于异常条件处理不当，具有网络访问权限的攻击者可以通过反复发送畸形命令来造成单点登录服务的拒绝服务状态。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
WatchGuard SSO Client 12.0 ~ 12.7 -

II. Public POCs for CVE-2024-6594

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III. Intelligence Information for CVE-2024-6594

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Vendor Advisories for CVE-2024-6594 (1)

Other References for CVE-2024-6594 (2)

Same Patch Batch · WatchGuard · 2024-09-25 · 3 CVEs total

CVE-2024-6592 9.3 CRITICAL WatchGuard Firebox Single Sign-On Agent Protocol Authorization Bypass
CVE-2024-6593 9.3 CRITICAL WatchGuard Firebox Single Sign-On Agent Management Interface Authentication Bypass

IV. Related Vulnerabilities

Same product: SSO Client
Same vendor: WatchGuard
Same weakness: CWE-755

V. Comments for CVE-2024-6594

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