RCE in VMware Vsphere Replication

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.021 (81.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-21976: held from 0.021 to 0.021.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

  • VMware Vsphere Replication
  • Vsphere Replication — versions 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21976?
CVE-2021-21976 is a high-severity vulnerability in VMware Vsphere Replication, classified under OS Command Injection. CVSS score: 7.2/10. Published 2021-02-11.
How severe is CVE-2021-21976?
High severity. CVSS v3 base score is 7.2 out of 10.