CVE-2025-4365: Arbitrary file read in NetScaler Console and NetScaler SDX (SVM)

This week

HIGH 7.5REMOTEDOWNGRADEUPGRADE

CVE-2025-4365 is a high-severity flaw (CVSS 7.5) affecting netscaler console, netscaler sdx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Arbitrary file read in NetScaler Console and NetScaler SDX (SVM)

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	9.7% (top 5%)
CISA exploited list	No
Weakness	CWE-1284
Published	2025-06-17
Last modified	2026-06-17

Publisher (CNA): Citrix Systems, Inc. · Vendor: citrix

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-17 13:15 UTCPublished CVE record published
2026-06-17 09:33 UTCUpdated Record last modified

citrix netscaler console DOWNGRADE

Affected: 13.1 build12.50 · 13.1 build17.42 · 13.1 build21.53 · 13.1 build24.38 · 13.1 build27.62 · 13.1 build30.52 · 13.1 build33.50 · 13.1 build37.38

Fixed in: no fixed release known

Safe to downgrade to: a release before 13.1

1. Check installed version

apt-cache policy netscaler-console || rpm -q netscaler-console || netscaler-console --version

2. No fixed release: DOWNGRADE to a release before 13.1 (Debian / Ubuntu)

apt-cache madison netscaler-console sudo apt install netscaler-console=<VERSION_BEFORE_13.1> sudo apt-mark hold netscaler-console

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list netscaler-console sudo dnf downgrade netscaler-console-<VERSION_BEFORE_13.1> sudo dnf versionlock add netscaler-console

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

citrix netscaler sdx UPGRADE

Affected: >= 13.1-49.13 and < 13.1-58.32 · >= 14.1-4.42 and < 14.1-47.46

Fixed in: 13.1-58.32, 14.1-47.46

Safe to downgrade to: a release before 13.1-49.13

1. Check installed version

apt-cache policy netscaler-sdx || rpm -q netscaler-sdx || netscaler-sdx --version

2. UPGRADE to 13.1-58.32 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade netscaler-sdx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade netscaler-sdx

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 13.1-49.13 (Debian / Ubuntu)

apt-cache madison netscaler-sdx sudo apt install netscaler-sdx=<VERSION_BEFORE_13.1-49.13> sudo apt-mark hold netscaler-sdx

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list netscaler-sdx sudo dnf downgrade netscaler-sdx-<VERSION_BEFORE_13.1-49.13> sudo dnf versionlock add netscaler-sdx

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-4365?

netscaler console: downgrade or apply the listed mitigation; netscaler sdx: upgrade to 13.1-58.32, 14.1-47.46. Exact commands for each OS are on this page.

Is CVE-2025-4365 being exploited?

CVE-2025-4365 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-4365 affect?

CVE-2025-4365 affects netscaler console, netscaler sdx. Severity is high (CVSS 7.5). Arbitrary file read in NetScaler Console and NetScaler SDX (SVM)

How urgent is CVE-2025-4365?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

Citrix vulnerabilities

Related CVEs

CVE-2024-6236 HIGH 7.5 UPGRADE UPGRADE Denial of Service in NetScaler Console (formerly NetScaler ADM), NetScaler Agent, and NetScaler SDX
CVE-2024-6235 HIGH 8.8 UPGRADE Sensitive information disclosure in NetScaler Console
CVE-2024-12284 HIGH 8.8 UPGRADE DOWNGRADE Authenticated privilege escalation in NetScaler Console and NetScaler Agent allows.

References

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