CVE-2022-22278: sonicwall nsa_2650_firmware
CVSS: 7.5v3.1HighModified
Published 27-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-22278 is a high (CVSS 7.5) vulnerability in sonicwall nsa_2650_firmware. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 60.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.96%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in SonicOS CFS (Content filtering service) returns a large 403 forbidden HTTP response message to the source address when users try to access prohibited resource this allows an attacker to cause HTTP Denial of Service (DoS) attack
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.96%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.96% on 18-09-2026
18-09-202618-10-2026
EPSS score0.96%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sonicwall50 products
- nsa_2650_firmware< 7.0.1
- nsa_2700_firmware< 7.0.1
- nsa_3650_firmware< 7.0.1
- nsa_3700_firmware< 7.0.1
- nsa_4650_firmware< 7.0.1
1 vendor · 50 products