2021-28640 | Adobe Acrobat Reader use after free (APSB21-51)
|CVSS Meta Temp Score
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|Current Exploit Price (≈)
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|CTI Interest Score
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A vulnerability was found in Adobe Acrobat Reader up to 2017.011.30197/2020.004.30005/2021.005.20054 (Document Reader Software). It has been classified as critical. This affects some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-416. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 07/13/2021 as APSB21-51. The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2021-28640 since 03/16/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. Required for exploitation is a authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/17/2021).
Upgrading to version 2017.011.30199, 2020.004.30006 or 2021.005.20058 eliminates this vulnerability.
VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Memory corruption
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
0-Day Time: 🔒
Upgrade: Acrobat Reader 2017.011.30199/2020.004.30006/2021.005.20058
03/16/2021 CVE assigned
07/13/2021 +118 days Advisory disclosed
07/13/2021 +0 days VulDB entry created
07/17/2021 +4 days VulDB last updateVendor: https://www.adobe.com/
CVE: CVE-2021-28640 (🔒)
Created: 07/13/2021 22:18
Updated: 07/17/2021 06:52
Changes: (4) source_cve_assigned vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
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