Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since March 15, 2022.
CVE-2020-5135
SonicWall SonicOS Buffer Overflow Vulnerability
Added to KEV March 15, 2022
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2020-5135
- CWE
- CWE-120
- Affected products
- SonicOS · SonicWall SonicOS · SonicWall
What happened
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall.
What it means for your business
SonicWall SonicOS is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2020-5135). A buffer overflow vulnerability in SonicOS allows a remote attacker to cause Denial of Service (DoS) and potentially execute arbitrary code by sending a malicious request to the firewall. CISA remediation due date: 2022-04-05. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: April 5, 2022
Sources
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