CVE-2023-20888

FAUCET Score

CVE-2023-20888 is an authenticated deserialization vulnerability affecting VMware Aria Operations for Networks (formerly vRealize Network Insight). This high-severity flaw (CVSS 8.8) allows an attacker with valid 'member' role credentials and network access to execute arbitrary code remotely. While not listed in CISA KEV, exploit intelligence indicates public Nuclei templates exist, and it has garnered significant community discussion and media coverage, suggesting potential for active exploitation.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		>= 6.2.0, <= 6.10.0CPE matchmatch criteria	cpe:2.3:a:vmware:vrealize_network_insight::::::::

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

82.28%

Probability of exploitation in next 30 days

EPSS Percentile

99.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

Nuclei: CVE-2023-20888 · Jun 27, 2023

This CVE's current EPSS score of 0.8228 is in the 100th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

vmwarepatch availablevia nvd_reference

View patch

References

vmware.com / security/advisories/VMSA-2023-0012.html

PatchVendor Advisory