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CVE-2020-5133

HIGHCVSS 7.5/10EPSS 1.73%

Last modified

CVE-2020-5133 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.73%

74.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SonicwallSonicos>= 6.0.0.0, <= 6.0.5.3
SonicwallSonicos>= 6.5.0.0, <= 6.5.1.11
SonicwallSonicos7.0.0.0
SonicwallSonicosv<= 6.5.4.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-5133?
A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
How severe is CVE-2020-5133?
CVE-2020-5133 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5133?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5133?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST