Adobe Context up to 16.4 null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Adobe Context up to 16.4. Affected by this issue is some unknown functionality. This manipulation causes null pointer dereference. This vulnerability is handled as CVE-2021-43016. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Adobe Context up to 16.4. Affected by this vulnerability is an unknown functionality. 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 availability.

The weakness was released 11/22/2021 as apsb21-11. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2021-43016 since 10/25/2021. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 209378 (Adobe InCopy 16.0 < 17.0.0 Multiple Vulnerabilities (APSB21-110)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209378). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Adobe

Name

Context

Version

License

commercial

Website

Vendor: https://www.adobe.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

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

CNA Base Score: 5.5
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 209378
Nessus Name: Adobe InCopy 16.0 < 17.0.0 Multiple Vulnerabilities (APSB21-110)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/25/2021 🔍
11/22/2021 +28 days 🔍
11/22/2021 +0 days 🔍
05/02/2025 +1257 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb21-11
Status: Confirmed

CVE: CVE-2021-43016 (🔍)
GCVE (CVE): GCVE-0-2021-43016
GCVE (VulDB): GCVE-100-187111

Entryinfo

Created: 11/22/2021 19:50
Updated: 05/02/2025 21:11
Changes: 11/22/2021 19:50 (48), 11/25/2021 17:01 (1), 10/21/2024 20:05 (16), 05/02/2025 21:11 (3)
Complete: 🔍
Cache ID: 216::103