CVE-2019-19793: In Cyxtera AppGate SDP Client 4.1.x through 4.3.x before 4.3.2 on Windows, a local or remote user from the sam

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HIGH 8.8UPGRADE

CVE-2019-19793 is a high-severity flaw (CVSS 8.8) affecting appgate sdp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Cyxtera AppGate SDP Client 4.1.x through 4.3.x before 4.3.2 on Windows, a local or remote user from the same domain can gain privileges.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-367
Published	2019-12-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cyxtera

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

Am I affected?

Timeline

2019-12-13 18:15 UTCPublished CVE record published
2026-06-17 02:27 UTCUpdated Record last modified

cyxtera appgate sdp UPGRADE

Affected: >= 4.1.0 and < 4.3.2

Fixed in: 4.3.2

Safe to downgrade to: a release before 4.1.0

1. Check installed version

apt-cache policy appgate-sdp || rpm -q appgate-sdp || appgate-sdp --version

2. UPGRADE to 4.3.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade appgate-sdp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade appgate-sdp

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 4.1.0 (Debian / Ubuntu)

apt-cache madison appgate-sdp sudo apt install appgate-sdp=<VERSION_BEFORE_4.1.0> sudo apt-mark hold appgate-sdp

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

dnf --showduplicates list appgate-sdp sudo dnf downgrade appgate-sdp-<VERSION_BEFORE_4.1.0> sudo dnf versionlock add appgate-sdp

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-2019-19793?

appgate sdp: upgrade to 4.3.2. Exact commands for each OS are on this page.

Is CVE-2019-19793 being exploited?

CVE-2019-19793 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-2019-19793 affect?

CVE-2019-19793 affects appgate sdp. Severity is high (CVSS 8.8). In Cyxtera AppGate SDP Client 4.1.x through 4.3.x before 4.3.2 on Windows, a local or remote user from the same domain can gain privileges.

How urgent is CVE-2019-19793?

Priority 46/100. High severity

Software pages

Windows vulnerabilities

References

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