CVE-2011-3996: The LiveData Service in CSWorks before 2.0.4115.1 allows remote attackers to cause a denial of service (servic

Q: How do I fix CVE-2011-3996?

csworks: upgrade to newer than 2.0.4115.0. Exact commands for each OS are on this page.

Q: Is CVE-2011-3996 being exploited?

CVE-2011-3996 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-2011-3996 affect?

CVE-2011-3996 affects csworks. Severity is medium (CVSS 5.0). The LiveData Service in CSWorks before 2.0.4115.1 allows remote attackers to cause a denial of service (service crash) via crafted TCP packets.

Q: How urgent is CVE-2011-3996?

Priority 38/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2011-3996 is a medium-severity flaw (CVSS 5.0) affecting csworks. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The LiveData Service in CSWorks before 2.0.4115.1 allows remote attackers to cause a denial of service (service crash) via crafted TCP packets.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-399
Published	2011-11-03
Last modified	2026-06-16

Publisher (CNA): JPCERT/CC · Vendor: controlsystemworks

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

Am I affected?

Timeline

2011-11-03 17:55 UTCPublished CVE record published
2026-06-16 23:34 UTCUpdated Record last modified

controlsystemworks csworks UPGRADE

Affected: <= 2.0.4115.0 · 1.0.601.0 · 1.0.612.0 · 1.0.623.0 · 1.0.720.0 · 1.0.801.0 · 1.0.813.0 · 1.0.901.0

Fixed in: newer than 2.0.4115.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.0.4115.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade csworks

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-2011-3996?

csworks: upgrade to newer than 2.0.4115.0. Exact commands for each OS are on this page.

Is CVE-2011-3996 being exploited?

CVE-2011-3996 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-2011-3996 affect?

CVE-2011-3996 affects csworks. Severity is medium (CVSS 5.0). The LiveData Service in CSWorks before 2.0.4115.1 allows remote attackers to cause a denial of service (service crash) via crafted TCP packets.

How urgent is CVE-2011-3996?

Priority 38/100. No elevated risk signals yet.

Related CVEs

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References

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