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    CVE-2021-46825

    Symantec Advanced Secure Gateway (ASG) and ProxySG are susceptible to an HTTP desync vulnerability. When a remote unauthenticated attacker and other web clients communicate through the proxy with the same web server, the attacker can send crafted HTTP requests and cause the proxy to forward web server responses to unintended clients. Severity/CVSSv3: High / 8.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

    Published:Jul 7, 2022
    Last Modified:Nov 21, 2024
    EPS:Jul 7, 2022
    EPSS Score:0.00402
    CVSS Score:9.1

    Affected Products

    Vendor
    Broadcom
    Product
    Advanced Secure Gateway
    Vendor
    Broadcom
    Product
    Proxysg

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-273 HTTP Response Smuggling
    CAPEC-33 HTTP Request Smuggling

    Related CVEs

    CVE-2023-23952 (CVSS 9.8) — Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to a Command Inj…
    CVE-2023-23954 (CVSS 5.4) — Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to a Stored Cros…
    CVE-2023-23955 (CVSS 8.1) — Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to a Server-Side…
    CVE-2023-23953 (CVSS 7.8) — Advanced Secure Gateway and Content Analysis, prior to 7.3.13.1 / 3.1.6.0, may be susceptible to an Elevation …
    CVE-2019-18375 (CVSS 6.5) — The ASG and ProxySG management consoles are susceptible to a session hijacking vulnerability. A remote attacke…
    CVE-2018-18371 (CVSS 6.5) — The ASG/ProxySG FTP proxy WebFTP mode allows intercepting FTP connections where a user accesses an FTP server …
    CVE-2018-18370 (CVSS 6.1) — The ASG/ProxySG FTP proxy WebFTP mode allows intercepting FTP connections where a user accesses an FTP server …
    CVE-2018-5241 (CVSS 9.8) — Symantec Advanced Secure Gateway (ASG) 6.6 and 6.7, and ProxySG 6.5, 6.6, and 6.7 are susceptible to a SAML au…
    CVE-2017-13678 (CVSS 4.8) — Stored XSS vulnerability in the Symantec Advanced Secure Gateway (ASG) and ProxySG management consoles. A mali…
    CVE-2016-10258 (CVSS 6.8) — Unrestricted file upload vulnerability in the Symantec Advanced Secure Gateway (ASG) and ProxySG management co…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High