CVE-2011-4037: Buffer overflow in Sielco Sistemi Winlog PRO before 2.07.09 and Winlog Lite before 2.07.09 allows user-assiste

Q: How do I fix CVE-2011-4037?

winlog lite: upgrade to newer than 2.07.08; winlog pro: upgrade to newer than 2.07.08. Exact commands for each OS are on this page.

Q: Is CVE-2011-4037 being exploited?

CVE-2011-4037 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-2011-4037 affect?

CVE-2011-4037 affects winlog lite, winlog pro. Severity is high (CVSS 9.3). Buffer overflow in Sielco Sistemi Winlog PRO before 2.07.09 and Winlog Lite before 2.07.09 allows user-assisted remote attackers to execute arbitrary code via invalid data in unspecified fields of a project file.

Q: How urgent is CVE-2011-4037?

Priority 55/100. Critical severity; EPSS top 8%: very likely to be exploited

This month

HIGH 9.3UPGRADEUPGRADE

CVE-2011-4037 is a high-severity flaw (CVSS 9.3) affecting winlog lite, winlog pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Sielco Sistemi Winlog PRO before 2.07.09 and Winlog Lite before 2.07.09 allows user-assisted remote attackers to execute arbitrary code via invalid data in unspecified fields of a project file.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	4.5% (top 8%)
CISA exploited list	No
Weakness	CWE-119
Published	2011-12-22
Last modified	2026-06-16

Publisher (CNA): CERT/CC · Vendor: sielcosistemi

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

Am I affected?

Timeline

2011-12-22 15:29 UTCPublished CVE record published
2026-06-16 23:34 UTCUpdated Record last modified

sielcosistemi winlog lite UPGRADE

Affected: <= 2.07.08 · 2.06.00 · 2.06.03 · 2.06.04 · 2.06.06 · 2.06.09 · 2.06.10 · 2.06.12

Fixed in: newer than 2.07.08

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy winlog-lite || rpm -q winlog-lite || winlog-lite --version

2. UPGRADE to newer than 2.07.08 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade winlog-lite

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade winlog-lite

Note

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

sielcosistemi winlog pro UPGRADE

Affected: <= 2.07.08 · 2.06.00 · 2.06.03 · 2.06.04 · 2.06.06 · 2.06.09 · 2.06.10 · 2.06.12

Fixed in: newer than 2.07.08

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy winlog-pro || rpm -q winlog-pro || winlog-pro --version

2. UPGRADE to newer than 2.07.08 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade winlog-pro

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade winlog-pro

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-2011-4037?

winlog lite: upgrade to newer than 2.07.08; winlog pro: upgrade to newer than 2.07.08. Exact commands for each OS are on this page.

Is CVE-2011-4037 being exploited?

CVE-2011-4037 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-2011-4037 affect?

CVE-2011-4037 affects winlog lite, winlog pro. Severity is high (CVSS 9.3). Buffer overflow in Sielco Sistemi Winlog PRO before 2.07.09 and Winlog Lite before 2.07.09 allows user-assisted remote attackers to execute arbitrary code via invalid data in unspecified fields of a project file.

How urgent is CVE-2011-4037?

Priority 55/100. Critical severity; EPSS top 8%: very likely to be exploited

Related CVEs

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CVE-2012-4359 HIGH 9.3 UPGRADE UPGRADE Sielco Sistemi Winlog Pro SCADA before 2.07.18 and Winlog Lite SCADA before 2.07.18 do not validate the return
CVE-2012-4358 HIGH 9.3 UPGRADE UPGRADE Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 do not validate the return
CVE-2012-4357 HIGH 9.3 UPGRADE UPGRADE Array index error in Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite SCADA before 2.07.17 might
CVE-2012-4356 MEDIUM 4.3 UPGRADE UPGRADE Multiple directory traversal vulnerabilities in Sielco Sistemi Winlog Pro SCADA before 2.07.17 and Winlog Lite

References

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