How severe is CVE-2024-53704?

CVE-2024-53704 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-53704 being actively exploited?

Yes. CVE-2024-53704 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-02-18, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-53704?

CVE-2024-53704 primarily affects Sonicwall Sonicos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-53704?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-53704 have an EU (EUVD) identifier?

Yes. CVE-2024-53704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52037. It is also flagged as exploited in the EUVD (since 2025-02-18).

When was CVE-2024-53704 published?

CVE-2024-53704 was published on 2025-01-09 and last updated on 2026-08-04.

CVE-2024-53704

CVE-2024-53704 is a critical-severity vulnerability in Sonicwall Sonicos with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-02-18). The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 95% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-02-18)
EU (EUVD) id: EUVD-2024-52037
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-02-18)
Weakness: CWE-287
Affected product: Sonicwall Sonicos
Published: 2025-01-09
Last modified: 2026-08-04

Description

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

Frequently asked questions

What is CVE-2024-53704?: An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
How severe is CVE-2024-53704?: CVE-2024-53704 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-53704 being actively exploited?: Yes. CVE-2024-53704 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-02-18, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-53704?: CVE-2024-53704 primarily affects Sonicwall Sonicos. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-53704?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-53704 have an EU (EUVD) identifier?: Yes. CVE-2024-53704 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52037. It is also flagged as exploited in the EUVD (since 2025-02-18).
When was CVE-2024-53704 published?: CVE-2024-53704 was published on 2025-01-09 and last updated on 2026-08-04.

References

Affected products (3)

cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:7.1.2-7019:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sonicos:8.0.0-8035:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →