How severe is CVE-2020-18171?

CVE-2020-18171 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-18171 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-18171?

CVE-2020-18171 affects Techsmith Snagit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-18171?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-18171 published?

CVE-2020-18171 was published on 2021-07-26 and last updated on 2026-06-17.

CVE-2020-18171

CVE-2020-18171 is a high-severity vulnerability in Techsmith Snagit with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Techsmith Snagit
Published: 2021-07-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 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.
How severe is CVE-2020-18171?: CVE-2020-18171 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-18171 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-18171?: CVE-2020-18171 affects Techsmith Snagit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-18171?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-18171 published?: CVE-2020-18171 was published on 2021-07-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:techsmith:snagit:19.1.0.2653:*:*:*:*:*:*:*

More vulnerabilities in Techsmith Snagit

CVE-2010-3130 — Critical (CVSS 9.3): Untrusted search path vulnerability in TechSmith Snagit all versions 10.x and 11.x allows local users, and possibly…
CVE-2020-18169 — High (CVSS 7.8): A vulnerability in the Windows installer XML (WiX) toolset of TechSmith Snagit 19.1.1.2860 allows attackers to escalate…
CVE-2019-13382 — High (CVSS 7.8): UploaderService in SnagIT 2019.1.2 allows elevation of privilege by placing an invalid presentation file in…
CVE-2020-11541 — Medium (CVSS 5.5): In TechSmith SnagIt 11.2.1 through 20.0.3, an XML External Entity (XXE) injection issue exists that would allow a local…

All CVEs affecting Techsmith Snagit →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →