CVE-2023-0656 in the critical feed json
A Stack-based buffer overflow vulnerability in the SonicOS allows a remote unauthenticated attacker to cause Denial of Service (DoS), which…
published 2023-03-02 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12690
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 41.3%
- EPSS 41.3% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
41.32% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected products
- SonicWall SonicOS
Classification
References
-
psirt.global.sonicwall.com
/vuln-detail/SNWLID-2023-0004
vendor-advisory
Sources
- CVE List CVE-2023-0656
- NVD CVE-2023-0656
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