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CVE-2021-45983

31
FAUCET Score

CVE-2021-45983 is a critical vulnerability affecting NetScout nGeniusONE version 6.3.2, allowing for Java RMI Code Execution. With a CVSS score of 9.8, it presents a severe risk as it can be exploited remotely without authentication or user interaction, leading to complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
6.3.2CPE matchmatch criteria
cpe:2.3:a:netscout:ngeniusone:6.3.2:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.36%
Probability of exploitation in next 30 days
EPSS Percentile
68.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0136 is in the 55th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

netflixpatch availablevia llm_extracted
Fixed in: 6.3.2 P12
View patch
openclawpatch availablevia llm_extracted
Fixed in: 6.3.2 P12
phppatch availablevia llm_extracted
Fixed in: 6.3.2 P12
View patch
proxmoxpatch availablevia llm_extracted
Fixed in: 6.3.2 P12
wiresharkpatch availablevia llm_extracted
Fixed in: 6.3.2 P12

Vendor Advisories (5)

wiresharkllm-wireshark-87227b89191ebda1CRITICAL

Java RMI Remote Code Execution

Jun 13, 2022
proxmoxllm-proxmox-552baf7f23fb12ddCRITICAL

Java RMI Remote Code Execution

Jun 13, 2022
openclawllm-openclaw-43cf7a2e03d7025cCRITICAL

Java RMI Remote Code Execution

Jun 13, 2022
netflixllm-netflix-e0f83db1a59c71c5CRITICAL

Java RMI Remote Code Execution

Jun 13, 2022
phpllm-php-0782eebae1695cd7CRITICAL

Java RMI Remote Code Execution

Jun 2, 2022

References

netscout.com
Product
netscout.com / securityadvisories
Vendor Advisory