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CVE-2021-21983

69
FAUCET Score

CVE-2021-21983 is an arbitrary file write vulnerability in the vRealize Operations Manager API, affecting versions prior to 8.4 of vRealize Operations Manager, Cloud Foundation, and vRealize Suite Lifecycle Manager. An authenticated attacker with network access can write files to arbitrary locations on the underlying Photon OS. With a CVSS score of 6.5 (Medium), this vulnerability has high impact on integrity and availability, requiring high privileges but no user interaction. While not on the KEV catalog, a Metasploit module exists, and its high EPSS score and community discussion indicate significant exploitability potential, with media coverage highlighting its serious implications for organizations.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:vmware:cloud_foundation:3.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:vmware:cloud_foundation:3.0.1:*:*:*:*:*:*:*
3.0.1.1CPE matchmatch criteria
cpe:2.3:a:vmware:cloud_foundation:3.0.1.1:*:*:*:*:*:*:*
3.5CPE matchmatch criteria
cpe:2.3:a:vmware:cloud_foundation:3.5:*:*:*:*:*:*:*
3.5.1CPE matchmatch criteria
cpe:2.3:a:vmware:cloud_foundation:3.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
68.56%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: VMware vRealize Operations (vROps) Manager SSRF RCE · Mar 30, 2021
This CVE's current EPSS score of 0.6856 is in the 100th percentile among its peer group of 3,563 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwarevendor investigatingvia nvd_reference
View patch

References

packetstormsecurity.com / files/162349/VMware-vRealize-Operations-Manager-Server-Side-Request-Forgery-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
vmware.com / security/advisories/VMSA-2021-0004.html
Vendor Advisory