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    CVE-2021-21796

    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.

    Published:Oct 18, 2021
    Last Modified:Nov 21, 2024
    EPS:Oct 18, 2021
    EPSS Score:0.75472
    CVSS Score:7.8

    Affected Products

    Vendor
    Gonitro
    Product
    Nitro Pro

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265https://talosintelligence.com/vulnerability_reports/TALOS-2021-1265

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2018-18689 (CVSS 5.3) — The Portable Document Format (PDF) specification does not provide any information regarding the concrete proce…
    CVE-2018-18688 (CVSS 5.3) — The Portable Document Format (PDF) specification does not provide any information regarding the concrete proce…
    CVE-2020-6113 (CVSS 7.8) — An exploitable vulnerability exists in the object stream parsing functionality of Nitro Software, Inc.’s Nitro…
    CVE-2020-6112 (CVSS 7.8) — An exploitable code execution vulnerability exists in the JPEG2000 Stripe Decoding functionality of Nitro Soft…
    CVE-2020-6115 (CVSS 7.8) — An exploitable vulnerability exists in the cross-reference table repairing functionality of Nitro Software, In…
    CVE-2020-6116 (CVSS 7.8) — An arbitrary code execution vulnerability exists in the rendering functionality of Nitro Software, Inc.’s Nitr…
    CVE-2020-6146 (CVSS 8.8) — An exploitable code execution vulnerability exists in the rendering functionality of Nitro Pro 13.13.2.242 and…
    CVE-2020-6093 (CVSS 5.5) — An exploitable information disclosure vulnerability exists in the way Nitro Pro 13.9.1.155 does XML error hand…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High