CVE-2020-18169: A vulnerability in the Windows installer XML (WiX) toolset of TechSmith Snagit 19.1.1.2860 allows attackers to

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HIGH 7.8DOWNGRADE

CVE-2020-18169 is a high-severity flaw (CVSS 7.8) affecting snagit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the Windows installer XML (WiX) toolset of TechSmith Snagit 19.1.1.2860 allows attackers to escalate privileges. NOTE: Exploit of the Snagit installer would require the end user to ignore other safety mechanisms provided by the Host OS. See reference document for more details.

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	None
User interaction	Required
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-269
Published	2021-07-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: techsmith

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

Am I affected?

Timeline

2021-07-26 20:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

techsmith snagit DOWNGRADE

Affected: 19.1.1.2860

Fixed in: no fixed release known

Safe to downgrade to: a release before 19.1.1.2860

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 19.1.1.2860 (Debian / Ubuntu)

apt-cache madison snagit sudo apt install snagit=<VERSION_BEFORE_19.1.1.2860> sudo apt-mark hold snagit

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

dnf --showduplicates list snagit sudo dnf downgrade snagit-<VERSION_BEFORE_19.1.1.2860> sudo dnf versionlock add snagit

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-2020-18169?

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

Is CVE-2020-18169 being exploited?

CVE-2020-18169 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-2020-18169 affect?

CVE-2020-18169 affects snagit. Severity is high (CVSS 7.8). A vulnerability in the Windows installer XML (WiX) toolset of TechSmith Snagit 19.1.1.2860 allows attackers to escalate privileges. NOTE: Exploit of the Snagit installer would require the end user to ignore other safety mechanisms provided

How urgent is CVE-2020-18169?

Priority 43/100. High severity; Public exploit reference

Software pages

Windows vulnerabilities

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References

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