CVE-2011-5163: Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA

Q: How do I fix CVE-2011-5163?

mx4 scada: upgrade to newer than 7.10; citectscada: upgrade to newer than 7.10. Exact commands for each OS are on this page.

Q: Is CVE-2011-5163 being exploited?

CVE-2011-5163 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-2011-5163 affect?

CVE-2011-5163 affects mx4 scada, citectscada. Severity is medium (CVSS 4.6). Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA before 7.20 and Mitsubishi MX4 SCADA before 7.20 allows local users to execute arbitrary code via a long string in a login sequen

Q: How urgent is CVE-2011-5163?

Priority 26/100. No elevated risk signals yet.

Routine

MEDIUM 4.6UPGRADEUPGRADE

CVE-2011-5163 is a medium-severity flaw (CVSS 4.6) affecting mx4 scada, citectscada. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA before 7.20 and Mitsubishi MX4 SCADA before 7.20 allows local users to execute arbitrary code via a long string in a login sequence.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-119
Published	2012-09-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mitsubishi-automation · schneider-electric

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2012-09-15 17:55 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

mitsubishi-automation mx4 scada UPGRADE

Affected: <= 7.10

Fixed in: newer than 7.10

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mx4-scada || rpm -q mx4-scada || mx4-scada --version

2. UPGRADE to newer than 7.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mx4-scada

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mx4-scada

Note

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

schneider-electric citectscada UPGRADE

Affected: <= 7.10

Fixed in: newer than 7.10

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 7.10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade citectscada

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade citectscada

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-2011-5163?

mx4 scada: upgrade to newer than 7.10; citectscada: upgrade to newer than 7.10. Exact commands for each OS are on this page.

Is CVE-2011-5163 being exploited?

CVE-2011-5163 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-2011-5163 affect?

CVE-2011-5163 affects mx4 scada, citectscada. Severity is medium (CVSS 4.6). Buffer overflow in an unspecified third-party component in the Batch module for Schneider Electric CitectSCADA before 7.20 and Mitsubishi MX4 SCADA before 7.20 allows local users to execute arbitrary code via a long string in a login sequen

How urgent is CVE-2011-5163?

Priority 26/100. No elevated risk signals yet.

Software pages

Schneider Electric vulnerabilities · Mitsubishi Electric vulnerabilities

References

← Back to latest CVEs