CVE-2019-10994: Processing a specially crafted project file in LAquis SCADA 4.3.1.71 may trigger an out-of-bounds read, which

Routine

LOW 3.3DOWNGRADE

CVE-2019-10994 is a low-severity flaw (CVSS 3.3) affecting scada. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Processing a specially crafted project file in LAquis SCADA 4.3.1.71 may trigger an out-of-bounds read, which may allow an attacker to obtain sensitive information. The attacker must have local access to the system. A CVSS v3 base score of 2.5 has been calculated; the CVSS vector string is (AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-125
Published	2019-08-05
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: laquisscada

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

Am I affected?

Timeline

2019-08-05 19:15 UTCPublished CVE record published
2026-06-17 02:12 UTCUpdated Record last modified

laquisscada scada DOWNGRADE

Affected: 4.3.1.71

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3.1.71

1. Check installed version

apt-cache policy scada || rpm -q scada || scada --version

2. No fixed release: DOWNGRADE to a release before 4.3.1.71 (Debian / Ubuntu)

apt-cache madison scada sudo apt install scada=<VERSION_BEFORE_4.3.1.71> sudo apt-mark hold scada

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

dnf --showduplicates list scada sudo dnf downgrade scada-<VERSION_BEFORE_4.3.1.71> sudo dnf versionlock add scada

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-2019-10994?

scada: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-10994 being exploited?

CVE-2019-10994 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-2019-10994 affect?

CVE-2019-10994 affects scada. Severity is low (CVSS 3.3). Processing a specially crafted project file in LAquis SCADA 4.3.1.71 may trigger an out-of-bounds read, which may allow an attacker to obtain sensitive information. The attacker must have local access to the system. A CVSS v3 base score of

How urgent is CVE-2019-10994?

Priority 26/100. No elevated risk signals yet.

Related CVEs

CVE-2021-41579 HIGH 7.8 UPGRADE LCDS LAquis SCADA through 4.3.1.1085 is vulnerable to a control bypass and path traversal
CVE-2020-25188 HIGH 7.8 UPGRADE An attacker who convinces a valid user to open a specially crafted project file to exploit could execute code
CVE-2019-10980 HIGH 7.8 DOWNGRADE A type confusion vulnerability may be exploited when LAquis SCADA 4.3.1.71 processes a specially crafted proje
CVE-2018-12635 HIGH 7.5 DOWNGRADE CirCarLife Scada v4.2.4 allows unauthorized upgrades via requests to the html/upgrade.html and services/system
CVE-2017-9661 HIGH 7.0 UPGRADE An Uncontrolled Search Path Element issue was discovered in SIMPlight SCADA Software version 4.3.0.27 and prio

References

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