7.5

CVE-2021-21980: vmware cloud_foundation

CVSS: 7.5v3.1HighModified
Published 24-11-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-21980 is a high (CVSS 7.5) vulnerability in vmware cloud_foundation. EPSS estimates a 4.67% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
4.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.67%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 4.67% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.67%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Vmware2 products
  • cloud_foundation3.0
  • vcenter_serverEOL6.5 | 6.5:update_1 | 6.5:update_1b | 6.5:update_1c | 6.5:update_1d | 6.5:update_1e | 6.5:update_1g | 6.5:update_2 | 6.5:update_2b | 6.5:update_2c | 6.5:update_2d | 6.5:update_2g | 6.5:update_3 | 6.5:update_3d | 6.5:update_3f | 6.5:update_3k | 6.5:update_3n | 6.5:update_3p | 6.5:update_3q | 6.7 | 6.7:update_1 | 6.7:update_1b | 6.7:update_2 | 6.7:update_2a | 6.7:update_2c | 6.7:update_3 | 6.7:update_3a | 6.7:update_3b | 6.7:update_3f | 6.7:update_3g | 6.7:update_3j | 6.7:update_3l | 6.7:update_3m | 6.7:update_3n | 6.7:update_3o

1 vendor · 2 products

References

1 links