CVSS v3
7.8
HIGH
EPSS Score
75.5%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
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.
Active exploitation of CVE-2021-21796 has not been confirmed. The EPSS score is 75.5%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-21796 has a CVSS v3 base score of 7.8 (HIGH severity).
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Ranked by exploit probability (EPSS).