Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-28141

21
FAUCET Score

CVE-2023-28141 is an NTFS Junction condition vulnerability in the Qualys Cloud Agent for Windows, affecting versions prior to 4.8.0.31. This local vulnerability has a CVSS score of 6.3 (Medium) and allows an attacker with low privileges to write files to arbitrary locations during installation/uninstallation, potentially leading to unauthorized modification or deletion of sensitive files. There is no known public exploit code (Metasploit, Nuclei, ExploitDB) and no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.1.3.34, < 4.8.0.31CPE matchmatch criteria
cpe:2.3:a:qualys:cloud_agent:*:*:*:*:*:windows:*:*
>= 3.1.3.34, < 4.8.0.31CPE match
cpe:2.3:a:qualys:cloud_agent:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
8.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 43rd percentile among its peer group of 1,297 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

mozillapatch availablevia llm_extracted
Fixed in: 4.8.0.31
nessuspatch availablevia llm_extracted
Fixed in: 4.8.0.31
View patch
netgearpatch availablevia llm_extracted
Fixed in: 4.8.0.31
View patch
pfsensepatch availablevia llm_extracted
Fixed in: 4.8.0.31
View patch
gcpvendor investigatingvia llm_extracted
Fixed in: 4.8.0.31
View patch
m2teamvendor investigatingvia llm_extracted
View patch

Vendor Advisories (6)

pfsensellm-pfsense-a20ca6beb6ce1eb5

Possible NTFS Junction Exploitation on Qualys Cloud Agent for Windows prior to 4.8.0.31 [CVE-2023-28141]

Apr 18, 2023
mozillallm-mozilla-4513784ecbd7d21c

Possible NTFS Junction Exploitation on Qualys Cloud Agent for Windows prior to 4.8.0.31 [CVE-2023-28141]

Apr 18, 2023
netgearllm-netgear-9aca96ac1c4953af

Possible NTFS Junction Exploitation on Qualys Cloud Agent for Windows prior to 4.8.0.31 [CVE-2023-28141]

Apr 18, 2023
m2teamllm-m2team-3edd9d87587da759

Possible NTFS Junction Exploitation on Qualys Cloud Agent for Windows prior to 4.8.0.31 [CVE-2023-28141]

Apr 18, 2023
gcpllm-gcp-f2e5bc2aab7ed6f3

Possible NTFS Junction Exploitation on Qualys Cloud Agent for Windows prior to 4.8.0.31 [CVE-2023-28141]

Apr 18, 2023
nessusllm-nessus-4e3bd43330dabe46

Possible NTFS Junction Exploitation on Qualys Cloud Agent for Windows prior to 4.8.0.31 [CVE-2023-28141]

Apr 18, 2023

References

qualys.com / security-advisories
Vendor Advisory