cbcvebase.
CVE-2021-39858
published 2021-09-29

CVE-2021-39858: Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read…

PriorityP417low3.3CVSS 3.0
AVLACLPRNUIRSUCLINAN
EPSS
2.38%
81.9th percentile
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Affected

8 ranges
VendorProductVersion rangeFixed in
adobeacrobat20.001.30005 – 20.004.30006
adobeacrobat_201717.011.30158 – 17.011.30199
adobeacrobat_dc20.006.20034 – 21.005.20060
adobeacrobat_dc20.006.20034 – 21.005.20058
adobeacrobat_reader20.001.30005 – 20.004.30006
adobeacrobat_readerunspecified – DC 2021 July
adobeacrobat_reader_201717.011.30158 – 17.011.30199
adobeacrobat_reader_dc20.006.20034 – 21.005.20060

CVSS provenance

nvdv3.03.3LOWCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.