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VulnerabilityCVE-2023-34124Published 2023-07-13

CVE-2023-34124 — SonicWall GMS

criticalPublic exploit1 PoC repoNuclei template

As of 2025-04-08, CVE-2023-34124 is a CRITICAL-severity vulnerability in SonicWall GMS, CVSS v3.1 9.8, EPSS 50.4% (98.8th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-34124, most recently “Edge Infrastructure Under Siege: Tenable and SentinelOne Datasets Reveal Convergent Nation-State and Criminal Exploitation of Perimeter Devices”.

CVSS v3.1
9.8/10Critical
EPSS
50.4%Higher than 98.8% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
10/10Threadlinqs triage score
Published
Updated 2025-04-08
CVSS v3.1 9.8 (CRITICAL) · EPSS 50.4% (higher than 98.8% of all scored CVEs) · Priority 10/10 · Published 2023-07-13

Last updated:

What is CVE-2023-34124?

The authentication mechanism in SonicWall GMS and Analytics Web Services had insufficient checks, allowing authentication bypass. This issue affects GMS: 9.3.2-SP1 and earlier versions; Analytics: 2.5.0.4-R7 and earlier versions.

The record classifies CVE-2023-34124 under weakness class CWE-305. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1190 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
50.4% probability of exploitation in the next 30 days, higher than 98.8% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2023-07-13, last modified 2025-04-08

Is CVE-2023-34124 being exploited?

Weaponised exploit code for CVE-2023-34124 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2023/CVE-2023-34124.yaml). It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2023-34124

No vendor patch reference has been recorded for CVE-2023-34124 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2023-34124

1 tracked threat in the Threadlinqs corpus references CVE-2023-34124, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on .

Vendor advisory and patch

Other references