CVE-2021-21980
HIGH
7.5
CVSS Score
Published: November 24, 2021 at 04:32 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
2 products affected across 1 vendorCloud FoundationvCenter Server
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Severity
HIGH7.5
Exploit prediction
EPSS 5%
Description
The vSphere Web Client (FLEX/Flash) contains an unauthorized arbitrary file read vulnerability. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to gain access to sensitive information.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 6.73.0
Affected range stops below 6.7, so it looks safe — our inference, not a vendor statement
v < 6.76.56.5 update_16.5 update_1b6.5 update_1c6.5 update_1d6.5 update_1e6.5 update_1g6.5 update_26.5 update_2b6.5 update_2c6.5 update_2d6.5 update_2g6.5 update_36.5 update_3d6.5 update_3f6.5 update_3k6.5 update_3n6.5 update_3p6.5 update_3q6.76.7 update_16.7 update_1b6.7 update_26.7 update_2a6.7 update_2c6.7 update_36.7 update_3a6.7 update_3b6.7 update_3f6.7 update_3g6.7 update_3j6.7 update_3l6.7 update_3m6.7 update_3n6.7 update_3o
Affected range stops below 6.7, 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_MISCPatchVendor Advisory
Source: [email protected]
https://www.vmware.com/security/advisories/VMSA-2021-0027.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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