7.8
CVE-2021-39863
- EPSS 21.62%
- Published 29.09.2021 16:15:11
- Last modified 21.11.2024 06:20:24
- Source psirt@adobe.com
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Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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.
Data is provided by the National Vulnerability Database (NVD)
Adobe ≫ Acrobat Dc SwEditioncontinuous Version >= 15.008.20082 <= 21.005.20060
Adobe ≫ Acrobat Dc SwEditioncontinuous Version >= 15.008.20082 <= 21.005.20058
Adobe ≫ Acrobat Reader Dc SwEditioncontinuous Version >= 15.008.20082 <= 21.005.20060
Adobe ≫ Acrobat Dc SwEditioncontinuous Version >= 15.008.20082 <= 21.005.20058
Adobe ≫ Acrobat Reader SwEditionclassic Version >= 20.001.30005 <= 20.004.30006
Adobe ≫ Acrobat 2017 SwEditionclassic_2017 Version >= 17.011.30059 <= 17.011.30199
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 21.62% | 0.955 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 6.8 | 8.6 | 6.4 |
AV:N/AC:M/Au:N/C:P/I:P/A:P
|
| psirt@adobe.com | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().