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Sma 210 Firmware CVE-2022-22279

MEDIUM
Relative Path Traversal (CWE-23)
2022-04-13 PSIRT@sonicwall.com
4.9
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Relative path traversal prevention
Impact

CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 1.1% exploitation probability (EPSS)

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AnalysisAI

A post-authentication arbitrary file read vulnerability impacting end-of-life Secure Remote Access (SRA) products and older firmware versions of Secure Mobile Access (SMA) 100 series products,. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-23. A post-authentication arbitrary file read vulnerability impacting end-of-life Secure Remote Access (SRA) products and older firmware versions of Secure Mobile Access (SMA) 100 series products, specifically the SRA appliances running all 8.x, 9.0.0.5-19sv and earlier versions and Secure Mobile Access (SMA) 100 series products running older firmware 9.0.0.9-26sv and earlier versions Affected products include: Sonicwall Sra 1200 Firmware, Sonicwall Sra 4200 Firmware, Sonicwall Sma 210 Firmware, Sonicwall Sma 410 Firmware, Sonicwall Sma 500V Firmware.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.9 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

A post-authentication arbitrary file read vulnerability impacting end-of-life Secure Remote Access (SRA) products and older firmware versions of Secure Mobile Access (SMA) 100 series products, specifically the SRA appliances running all 8.x, 9.0.0.5-19sv and earlier versions and Secure Mobile Access (SMA) 100 series products running older firmware 9.0.0.9-26sv and earlier versions

Threat Intelligence Overview

EPSS Score
1.1%
Top 39% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 1.1%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +24
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:sonicwall:sra_1200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sra_4200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:sonicwall:sma_500v_firmware:*:*:*:*:*:*:*:*
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A Heap-based Buffer Overflow vulnerability in the SonicWall SMA100 appliance allows a remote authenticated attacker to c

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