CVE-2024-53704

Exp

An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.

Published: 2025-01-09 Last update: 2025-10-31 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-53704 is rated Critical Active Threat (99/100): CVSS Critical severity, with high exploitation likelihood (EPSS 93.86%, 100th percentile). Core evidence: CISA KEV confirms active exploitation (added 2025-02-18) affecting SonicWall / SonicOS. an authentication bypass (CWE-287) Unauthenticated remote administrative access may be possible. Mandatory action: The CISA remediation deadline has passed—treat as an emergency patch priority.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

CISA KEV Record for CVE-2024-53704

Name: SonicWall SonicOS SSLVPN Improper Authentication Vulnerability · CISA KEV detail

Exploit added: 2025-02-18

Action due: 2025-03-11

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Exploit prediction scoring system (EPSS) score for CVE-2024-53704

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-24 94.01% 93.86% -0.15%
2 2026-03-21 93.86% 94.01% +0.15%
3 2026-02-21 93.86%

Full EPSS history (34 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-53704

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]
8.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 4.2 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-53704

Affected software / configurations for CVE-2024-53704

Vendor Product Version Raw CPE
sonicwall sonicos >= 7.1.1-7040, <= 7.1.1-7058 cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
sonicwall sonicos 7.1.2-7019 cpe:2.3:o:sonicwall:sonicos:7.1.2-7019:*:*:*:*:*:*:*
sonicwall sonicos 8.0.0-8035 cpe:2.3:o:sonicwall:sonicos:8.0.0-8035:*:*:*:*:*:*:*

References for CVE-2024-53704

cvelogic Threat Intelligence