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CVE-2023-28142

22
FAUCET Score

CVE-2023-28142 is a race condition vulnerability in Qualys Cloud Agent for Windows versions 3.1.3.34 through 4.5.3.1. This flaw allows a local attacker with limited privileges to escalate to SYSTEM-level privileges during agent uninstallation, enabling arbitrary command execution. With a CVSS score of 7.0 (HIGH), exploitation requires high attack complexity but can lead to complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.1.3.34, < 4.5.3.1CPE matchmatch criteria
cpe:2.3:a:qualys:cloud_agent:*:*:*:*:*:windows:*:*
>= 3.1.3.34, < 4.5.3.1CPE 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
0.13%
Probability of exploitation in next 30 days
EPSS Percentile
3.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0013 is in the 14th percentile among its peer group of 1,516 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

mozillapatch availablevia llm_extracted
Fixed in: 4.5.3.1
nessuspatch availablevia llm_extracted
Fixed in: 4.5.3.1
View patch
netgearpatch availablevia llm_extracted
Fixed in: 4.5.3.1
View patch
pfsensepatch availablevia llm_extracted
Fixed in: 4.5.3.1
View patch
gcpvendor investigatingvia llm_extracted
Fixed in: 4.5.3.1
View patch
m2teamvendor investigatingvia llm_extracted
View patch

Vendor Advisories (6)

pfsensellm-pfsense-c55427d4b89ed4d8

Possible Qualys Cloud Agent for Windows Race Condition Exploitation prior to 4.5.3.1 [CVE-2023-28142]

Apr 18, 2023
mozillallm-mozilla-b0013ecf6970d30f

Possible Qualys Cloud Agent for Windows Race Condition Exploitation prior to 4.5.3.1 [CVE-2023-28142]

Apr 18, 2023
netgearllm-netgear-7e1c3ced71c77777

Possible Qualys Cloud Agent for Windows Race Condition Exploitation prior to 4.5.3.1 [CVE-2023-28142]

Apr 18, 2023
m2teamllm-m2team-cc0bbf4050af339d

Possible Qualys Cloud Agent for Windows Race Condition Exploitation prior to 4.5.3.1 [CVE-2023-28142]

Apr 18, 2023
gcpllm-gcp-aeb61d4e418c26de

Possible Qualys Cloud Agent for Windows Race Condition Exploitation prior to 4.5.3.1 [CVE-2023-28142]

Apr 18, 2023
nessusllm-nessus-70206393947eee38

Possible Qualys Cloud Agent for Windows Race Condition Exploitation prior to 4.5.3.1 [CVE-2023-28142]

Apr 18, 2023

References

qualys.com / security-advisories
Vendor Advisory