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CVE-2020-27813

HIGHCVSS 7.5/10EPSS 2.34%

Last modified

CVE-2020-27813 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.. EPSS estimates a 2.34% chance of exploitation in the next 30 days.

Description

An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.

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
2.34%

81.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GorillatoolkitWebsocket< 1.4.1
DebianDebian Linux9.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-27813?
An integer overflow vulnerability exists with the length of websocket frames received via a websocket connection. An attacker would use this flaw to cause a denial of service attack on an HTTP Server allowing websocket connections.
How severe is CVE-2020-27813?
CVE-2020-27813 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.34% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27813?
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-2020-27813?

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

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Source: NVD / NIST