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CVE-2023-21608

Use After Free — is CVE-2023-21608real, exploitable, or a false positive? Here's the community ground truth.

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High · CVSS 7.8EPSS 61.5%CISA KEVCWE-416 · Use After Free

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

References

NVD MITRE CVE.org CISA KEV

Published

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Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: High (High 3) — CVSS base score 7.8

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Marco FerriCurated

    Adobe Acrobat and Reader Use-After-Free Vulnerability — Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user. Listed in the CISA KEV catalog (added 2023-10-10) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~61%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Waleed AzizCurated

    Required action for Adobe Acrobat and Reader: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2023-10-31. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Related CVEs

Same weakness — CWE-416 · Use After Free.