CVE-2021-21796
high-risk
Published 2021-10-18
An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.
Do I need to act?
!
75.5% chance of exploitation in next 30 days
EPSS score — higher than 25% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10
High
LOCAL
/ LOW complexity
Affected Vendors
51
/ 100
high-risk
Severity
24/34 · High
Exploitability
20/34 · Moderate
Exposure
7/34 · Low