Acrobat Adobe Reader null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Acrobat Adobe Reader up to 2017.011.30199/2020.004.30006/2021.005.20060. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to null pointer dereference. This vulnerability appears as CVE-2021-39860. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Acrobat Adobe Reader up to 2017.011.30199/2020.004.30006/2021.005.20060 and classified as problematic. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect confidentiality.

The weakness was presented 09/30/2021 as apsb21-55. The advisory is shared for download at helpx.adobe.com. This vulnerability was named CVE-2021-39860 since 08/23/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
09/30/2021 +38 days 🔍
09/30/2021 +0 days 🔍
10/04/2021 +4 days 🔍

Sourcesinfo

Advisory: apsb21-55
Status: Confirmed

CVE: CVE-2021-39860 (🔍)
GCVE (CVE): GCVE-0-2021-39860
GCVE (VulDB): GCVE-100-183568

Entryinfo

Created: 09/30/2021 07:11
Updated: 10/04/2021 08:15
Changes: 09/30/2021 07:11 (49), 10/04/2021 08:15 (1)
Complete: 🔍
Cache ID: 216::103

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