Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2021-21893 | First vendor Publication | 2021-08-05 |
Vendor | Cve | Last vendor Modification | 2022-09-03 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | |||
---|---|---|---|
Overall CVSS Score | 8.8 | ||
Base Score | 8.8 | Environmental Score | 8.8 |
impact SubScore | 5.9 | Temporal Score | 8.8 |
Exploitabality Sub Score | 2.8 | ||
Attack Vector | Network | Attack Complexity | Low |
Privileges Required | None | User Interaction | Required |
Scope | Unchanged | Confidentiality Impact | High |
Integrity Impact | High | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P) | |||
---|---|---|---|
Cvss Base Score | 6.8 | Attack Range | Network |
Cvss Impact Score | 6.4 | Attack Complexity | Medium |
Cvss Expoit Score | 8.6 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 11.0.0.49893. A specially crafted PDF document can trigger the reuse of previously freed memory, which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21893 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-416 | Use After Free |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Application | 1 |
Sources (Detail)
Source | Url |
---|---|
MISC | https://talosintelligence.com/vulnerability_reports/TALOS-2021-1336 |
Alert History
Date | Informations |
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2022-09-03 09:27:32 |
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2022-04-28 21:23:15 |
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2022-04-19 21:23:14 |
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2022-02-08 21:23:14 |
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2021-08-13 17:22:52 |
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2021-08-06 17:22:49 |
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2021-08-06 00:22:48 |
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