CVE-2024-53704: SonicWall SonicOS SSLVPN Improper Authentication Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 18 Feb 2025, 40 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 95.3%
EPSS score, percentile 99.9 of all scored records
- How severe?
- 8.2 High
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
CISA deadline 11 Mar 2025. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Which versions are affected?
Affected
- 7.1.1-7058 and older versions
- 7.1.2-7019
- 8.0.0-8035
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date for this action: 11 March 2025.
Advisories and patches
Linked from CISA's catalog entry
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003
- https://nvd.nist.gov/vuln/detail/CVE-2024-53704
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 7.1.1-7058 and older versions |
| Affected | 7.1.2-7019 |
| Affected | 8.0.0-8035 |
Versions not listed are: unknown.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
SonicWall SonicOS contains an improper authentication vulnerability in the SSLVPN authentication mechanism that allows a remote attacker to bypass authentication.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2024-53704 to its Known Exploited Vulnerabilities (KEV) catalog on 18 Feb 2025.
- CISA marks it as known to be used in ransomware campaigns.
- The due date CISA sets for the required action is 11 Mar 2025.
- The CVE record was published on 9 Jan 2025, 40 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 8.2 (High), taken from CISA's enrichment of the record.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 95.3% (percentile 99.9), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact partial.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
An Improper Authentication vulnerability in the SSLVPN authentication mechanism allows a remote attacker to bypass authentication.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-287: Improper Authentication
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 9 Jan 2025 | CVE record published |
| 18 Feb 2025 | Added to CISA KEV |
| 11 Mar 2025 | CISA due date for the required action |
| 4 Aug 2026 | CVE record last updated |
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