CVE-2021-39840
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context…
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EPSS puts the probability of exploitation in the next 30 days at 50.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 50.63% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- adobe/acrobat · adobe/acrobat reader · adobe/acrobat dc · adobe/acrobat reader dc
- Source
- psirt@adobe.com
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease Notes, Vendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-55.htmlRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.