CVE-2022-22274
CriticalExploitedA Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.
Published Mar 30, 2022 · Updated Aug 3, 2024 · Also known as TR-22-0257
Key Facts
Patch immediately- CVE-2022-22274 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting SonicOS (Sonicwall), Sonicosv (Sonicwall).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 12, 2024. No public exploit code is known.
- EPSS estimates a 76% probability of exploitation in the next 30 days.
- Fixed versions are available, including SonicOS <=7.0.1-5050, Sonicosv <=6.5.4.4-44v-21-1452, SonicOS 7.0.1-5050.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
76%
Higher than 99.5% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
Get the full CVE-2022-22274 brief as a PDF
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Description
A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 12, 2024 | n/a | Not reported |
| CIRCL KEV | Sep 12, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SonicOSSonicwall | >= SonicOS 7.0.1-5050 and earlier | 7.0.1-5050 |
| SonicosvSonicwall | See advisory | 6.5.4.4-44v-21-1452 |
Patched Releases
SonicOS
<=7.0.1-5050
Sonicosv
<=6.5.4.4-44v-21-1452
Timeline
Publicly disclosed
Mar 30, 2022
Last updated
Aug 3, 2024
Added to Industry KEV feed
Sep 12, 2024
Added to CIRCL KEV
Sep 12, 2024
Weakness Type
- CWE-121 Stack-based Buffer Overflow
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://cwe.mitre.org/data/definitions/121.html
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2022-22274
- advisoryhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2022-0003
- advisoryhttps://thehackernews.com/2022/03/critical-sonicos-vulnerability-affects.html
- advisoryhttps://thehackernews.com/2022/03/critical-sophos-firewall-rce.html
FAQ
Common Questions.
A Stack-based buffer overflow vulnerability in the SonicOS via HTTP request allows a remote unauthenticated attacker to cause Denial of Service (DoS) or potentially results in code execution in the firewall.
Affected: SonicOS (Sonicwall) versions >= SonicOS 7.0.1-5050 and earlier; Sonicosv (Sonicwall). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Sep 12, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including SonicOS <=7.0.1-5050, Sonicosv <=6.5.4.4-44v-21-1452, SonicOS 7.0.1-5050.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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