Vulnerability Details : CVE-2021-28637
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an out-of-bounds read vulnerability. An unauthenticated attacker could leverage this vulnerability achieve arbitrary read / write system information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Products affected by CVE-2021-28637
- Adobe » Acrobat Dc » Classic EditionVersions from including (>=) 20.001.30005 and up to, including, (<=) 20.004.30005cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*
- Adobe » Acrobat Dc » Continuous EditionVersions from including (>=) 15.008.20082 and up to, including, (<=) 21.005.20054cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
- Adobe » Acrobat Dc » Classic EditionVersions from including (>=) 17.011.30059 and up to, including, (<=) 17.011.30197cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*
- Adobe » Acrobat Reader Dc » Continuous EditionVersions from including (>=) 15.008.20082 and up to, including, (<=) 21.005.20054cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
- Adobe » Acrobat Reader Dc » Classic EditionVersions from including (>=) 20.001.30005 and up to, including, (<=) 20.004.30005cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*
- Adobe » Acrobat Reader Dc » Classic EditionVersions from including (>=) 17.011.30059 and up to, including, (<=) 17.011.30197cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28637
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28637
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:N |
8.6
|
9.2
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
1.8
|
5.2
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
Adobe Systems Incorporated |
CWE ids for CVE-2021-28637
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: psirt@adobe.com (Primary)
References for CVE-2021-28637
-
https://helpx.adobe.com/security/products/acrobat/apsb21-51.html
Adobe Security BulletinRelease Notes;Vendor Advisory
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