CVE-2013-6937: Buffer overflow in VideoCharge Software Watermark Master 2.2.23 allows remote attackers to execute arbitrary c

This month

MEDIUM 6.8DOWNGRADE

CVE-2013-6937 is a medium-severity flaw (CVSS 6.8) affecting watermark master. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in VideoCharge Software Watermark Master 2.2.23 allows remote attackers to execute arbitrary code via a long string in the name attribute of the cols element in a .wstyle file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-119
Published	2013-12-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: videocharge

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

Am I affected?

Timeline

2013-12-04 16:15 UTCPublished CVE record published
2026-06-17 00:01 UTCUpdated Record last modified

videocharge watermark master DOWNGRADE

Affected: 2.2.23

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.23

1. Check installed version

apt-cache policy watermark-master || rpm -q watermark-master || watermark-master --version

2. No fixed release: DOWNGRADE to a release before 2.2.23 (Debian / Ubuntu)

apt-cache madison watermark-master sudo apt install watermark-master=<VERSION_BEFORE_2.2.23> sudo apt-mark hold watermark-master

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

dnf --showduplicates list watermark-master sudo dnf downgrade watermark-master-<VERSION_BEFORE_2.2.23> sudo dnf versionlock add watermark-master

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Watermark Master 2.2.23 - '.wstyle' Local Buffer Overflow (SEH)

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-2013-6937?

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

Is CVE-2013-6937 being exploited?

CVE-2013-6937 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-2013-6937 affect?

CVE-2013-6937 affects watermark master. Severity is medium (CVSS 6.8). Buffer overflow in VideoCharge Software Watermark Master 2.2.23 allows remote attackers to execute arbitrary code via a long string in the name attribute of the cols element in a .wstyle file.

How urgent is CVE-2013-6937?

Priority 51/100. Public exploit reference

Related CVEs

CVE-2013-6935 HIGH 9.3 DOWNGRADE Buffer overflow in VideoCharge Software Watermark Master 2.2.23 allows remote attackers to execute arbitrary c

References

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