CVE-2023-39338Network attack vector

Unauthorized service tunnels via policy enforcement bypass

Published Jul 12, 2025 · Updated Feb 26, 2026

Improper access control in Ivanti Sentry 9.0 through 9.19 allows remote authenticated users to obtain unauthorized tunnels to protected services. Ivanti has not published the affected policy-enforcement locus or the operation that fails to reject a Sentry policy mismatch. An enrolled device and user interaction are required; the tunnel bypasses Sentry authorization but does not authenticate to or grant use of the protected service.

CVSS severity6.8
Medium
EPSS probability0.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in Ivanti Sentry 9.0 through 9.19 allows remote authenticated users to obtain unauthorized tunnels to protected services. Ivanti has not published the affected policy-enforcement locus or the operation that fails to reject a Sentry policy mismatch. An enrolled device and user interaction are required; the tunnel bypasses Sentry authorization but does not authenticate to or grant use of the protected service.

The record

CVE
CVE-2023-39338
Published
Jul 12, 2025
Updated
Feb 26, 2026
Vendor
Ivanti
Product
Ivanti Sentry
Classifications
CWE-732
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=9.0 <9.20

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Ivanti · Ivanti Sentryversion=9.0 <9.20

Published CVSS scores

6.8HackerOne CNACVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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