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CVE-2021-45981

29
FAUCET Score

CVE-2021-45981 is a critical XML External Entity (XXE) vulnerability affecting NetScout nGeniusONE version 6.3.2. With a CVSS score of 9.8, this vulnerability allows an unauthenticated attacker to achieve complete compromise of confidentiality, integrity, and availability of the system through a low-complexity network attack. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

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
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 47th percentile among its peer group of 36,897 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-741b1082f01f5889CRITICAL

XML External Entity (XXE)

Jun 13, 2022
proxmoxllm-proxmox-149d0873d4217f04CRITICAL

XML External Entity (XXE)

Jun 13, 2022
openclawllm-openclaw-2218130dedb9748dCRITICAL

XML External Entity (XXE)

Jun 13, 2022
netflixllm-netflix-9fc28135dcf8d74aCRITICAL

XML External Entity (XXE)

Jun 13, 2022
phpllm-php-7f0cc1b1527ef711CRITICAL

XML External Entity (XXE)

Jun 2, 2022

References

netscout.com
Product
netscout.com / securityadvisories
Vendor Advisory