CVE-2021-21976

HIGHCVSS 7.2/10EPSS 2.07%

Last modified

CVE-2021-21976 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. vSphere Replication 8.3.x prior to 8.3.1.2, 8.2.x prior to 8.2.1.1, 8.1.x prior to 8.1.2.3 and 6.5.x prior to 6.5.1.5 contain a post-authentication command injection vulnerability which may allow an authenticated admin user to perform a remote code execution.. EPSS estimates a 2.07% chance of exploitation in the next 30 days.

Description

vSphere Replication 8.3.x prior to 8.3.1.2, 8.2.x prior to 8.2.1.1, 8.1.x prior to 8.1.2.3 and 6.5.x prior to 6.5.1.5 contain a post-authentication command injection vulnerability which may allow an authenticated admin user to perform a remote code execution.

Metrics

CVSS 3.1
7.2/10

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

EPSS Probability
2.07%

79.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VmwareVsphere Replication>= 6.5.0, < 6.5.1.5
VmwareVsphere Replication>= 8.1.0, < 8.1.2.3
VmwareVsphere Replication>= 8.2.0, < 8.2.1.1
VmwareVsphere Replication>= 8.3.0, < 8.3.1.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21976?
vSphere Replication 8.3.x prior to 8.3.1.2, 8.2.x prior to 8.2.1.1, 8.1.x prior to 8.1.2.3 and 6.5.x prior to 6.5.1.5 contain a post-authentication command injection vulnerability which may allow an authenticated admin user to perform a remote code execution.
How severe is CVE-2021-21976?
CVE-2021-21976 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 2.07% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21976?
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-2021-21976?

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

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Source: NVD / NIST