CVE-2025-64787: acrobat Signature Bypass — Fix

Description

Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass cryptographic protections and gain limited unauthorized write access. Exploitation of this issue requires user interaction with a cryptographic signature.

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CVSS v3.1 Score

3.3

LOW

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

Weakness Type (CWE)

CWE-347 CWE-347

Affected Products

Vendor	Product	Versions
adobe	acrobat	20.001.3005 — 20.005.30838
adobe	acrobat_dc	< 25.001.20997
adobe	acrobat_reader	20.001.3005 — 20.005.30838
adobe	acrobat_reader_dc	< 25.001.20997
adobe	acrobat	24.001.20604 — 24.001.30307
microsoft	windows	All
adobe	acrobat	24.001.20604 — 24.001.30308
apple	macos	All

References

Advisories & Patches

https://helpx.adobe.com/security/products/acrobat/apsb25-119.html

Frequently Asked Questions

What is CVE-2025-64787? +

Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass cryptographic protections and gain limited unauthorized write access. Exploitation of this issue requires user interaction with a cryptographic signature. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-64787? +

CVE-2025-64787 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-64787? +

CVE-2025-64787 affects products from adobe, apple, microsoft, specifically: acrobat, acrobat_dc, acrobat_reader, acrobat_reader_dc, macos, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-64787? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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