CVE-2021-21798 - CVE House
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Status published High CVE-2021-21798

An exploitable return of stack variable address vulnerability exists in...

Vulnerability Description

An exploitable return of stack variable address vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a stack variable to go out of scope, resulting in the application dereferencing a stale pointer. This can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger the vulnerability.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Nitro Pro
Vulnerable Versions:
Nitro Pro 13.31.0.605 , Nitro Pro 13.33.2.645

Timeline

Official Publish: September 15th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-562

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.