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CVE-2021-22050

HIGHCVSS 7.5/10EPSS 2.28%

Last modified

CVE-2021-22050 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.

Description

ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.

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
2.28%

80.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
VmwareCloud Foundation>= 3.0, < 3.11—
VmwareCloud Foundation>= 4.0, < 4.4—
VmwareEsxi6.5—
VmwareEsxi6.7—
VmwareEsxi7.0Update 3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-22050?
ESXi contains a slow HTTP POST denial-of-service vulnerability in rhttpproxy. A malicious actor with network access to ESXi may exploit this issue to create a denial-of-service condition by overwhelming rhttpproxy service with multiple requests.
How severe is CVE-2021-22050?
CVE-2021-22050 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22050?
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-2021-22050?

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

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Source: NVD / NIST