CVE-2021-21976
HIGH
7.2
CVSS Score
Published: February 11, 2021 at 08:34 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
1 product affected across 1 vendorvSphere Replication
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Severity
HIGH7.2
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 8.3.1.26.5.0 ≤ v < 6.5.1.58.1.0 ≤ v < 8.1.2.38.2.0 ≤ v < 8.2.1.18.3.0 ≤ v < 8.3.1.2
Affected range stops below 6.5.1.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.3.1.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2021-0001.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-78
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