CVE-2019-13357: In Total Defense Anti-virus 9.0.0.773, resource acquisition from the untrusted search path C:\ used by caschel

This month

HIGH 7.8DOWNGRADE

CVE-2019-13357 is a high-severity flaw (CVSS 7.8) affecting anti-virus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Total Defense Anti-virus 9.0.0.773, resource acquisition from the untrusted search path C:\ used by caschelp.exe allows local attackers to hijack ccGUIFrm.dll, which leads to code execution. SYSTEM-level code execution can be achieved when the ccSchedulerSVC service runs the affected executable.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-426
Published	2019-09-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: totaldefense

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

Am I affected?

Timeline

2019-09-24 15:15 UTCPublished CVE record published
2026-06-17 02:16 UTCUpdated Record last modified

totaldefense anti-virus DOWNGRADE

Affected: 9.0.0.773

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.0.0.773

1. Check installed version

apt-cache policy anti-virus || rpm -q anti-virus || anti-virus --version

2. No fixed release: DOWNGRADE to a release before 9.0.0.773 (Debian / Ubuntu)

apt-cache madison anti-virus sudo apt install anti-virus=<VERSION_BEFORE_9.0.0.773> sudo apt-mark hold anti-virus

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

dnf --showduplicates list anti-virus sudo dnf downgrade anti-virus-<VERSION_BEFORE_9.0.0.773> sudo dnf versionlock add anti-virus

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-2019-13357?

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

Is CVE-2019-13357 being exploited?

CVE-2019-13357 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-2019-13357 affect?

CVE-2019-13357 affects anti-virus. Severity is high (CVSS 7.8). In Total Defense Anti-virus 9.0.0.773, resource acquisition from the untrusted search path C:\ used by caschelp.exe allows local attackers to hijack ccGUIFrm.dll, which leads to code execution. SYSTEM-level code execution can be achieved wh

How urgent is CVE-2019-13357?

Priority 44/100. High severity; Public exploit reference

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References

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