CVE-2019-3956: Dameware Remote Mini Control version 12.1.0.34 and prior contains an unauthenticated remote buffer over-read d

Q: How do I fix CVE-2019-3956?

remote mini control: upgrade to newer than 12.1.0.34. Exact commands for each OS are on this page.

Q: Is CVE-2019-3956 being exploited?

CVE-2019-3956 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-3956 affect?

CVE-2019-3956 affects remote mini control. Severity is high (CVSS 7.4). Dameware Remote Mini Control version 12.1.0.34 and prior contains an unauthenticated remote buffer over-read due to the server not properly validating CltDHPubKeyLen during key negotiation, which could crash the application or leak sensitiv

Q: How urgent is CVE-2019-3956?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.4REMOTEUPGRADE

CVE-2019-3956 is a high-severity flaw (CVSS 7.4) affecting remote mini control. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dameware Remote Mini Control version 12.1.0.34 and prior contains an unauthenticated remote buffer over-read due to the server not properly validating CltDHPubKeyLen during key negotiation, which could crash the application or leak sensitive information.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-20, CWE-125
Published	2019-06-07
Last modified	2026-06-17

Publisher (CNA): Tenable Network Security, Inc. · Vendor: dameware

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

Am I affected?

Timeline

2019-06-07 21:29 UTCPublished CVE record published
2026-06-17 02:35 UTCUpdated Record last modified

dameware remote mini control UPGRADE

Affected: <= 12.1.0.34

Fixed in: newer than 12.1.0.34

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy remote-mini-control || rpm -q remote-mini-control || remote-mini-control --version

2. UPGRADE to newer than 12.1.0.34 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade remote-mini-control

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade remote-mini-control

Note

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

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-2019-3956?

remote mini control: upgrade to newer than 12.1.0.34. Exact commands for each OS are on this page.

Is CVE-2019-3956 being exploited?

CVE-2019-3956 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-2019-3956 affect?

CVE-2019-3956 affects remote mini control. Severity is high (CVSS 7.4). Dameware Remote Mini Control version 12.1.0.34 and prior contains an unauthenticated remote buffer over-read due to the server not properly validating CltDHPubKeyLen during key negotiation, which could crash the application or leak sensitiv

How urgent is CVE-2019-3956?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-3955 HIGH 7.5 UPGRADE Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due t

References

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