What is CVE-2023-0656?
A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which could cause an impacted firewall to crash.
The record classifies CVE-2023-0656 under weakness class CWE-121. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 1325 days ago.
Severity and exploitation probability
- EPSS (FIRST)
- 41.3% probability of exploitation in the next 30 days, higher than 98.6% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 5.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2023-03-02, last modified 2025-03-07
Is CVE-2023-0656 being exploited?
Weaponised exploit code for CVE-2023-0656 is publicly available. 2 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 38 in the Threadlinqs vulnerability feed.
- BishopFox/CVE-2022-22274_CVE-2023-0656 (github)
- trickest/cve (trickest)
Affected products and versions
- SonicWall: SonicOS
How to fix CVE-2023-0656
No vendor patch reference has been recorded for CVE-2023-0656 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-2023-0656
1 tracked threat in the Threadlinqs corpus references CVE-2023-0656, 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. Last verified by Threadlinqs on .