Adobe Character Animator up to 4.4 when parsing null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Adobe Character Animator up to 4.4. This impacts an unknown function of the component when parsing. This manipulation causes null pointer dereference. The identification of this vulnerability is CVE-2021-40768. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Adobe Character Animator up to 4.4 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component when parsing. 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 shared 03/16/2022 as apsb21-95. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2021-40768 since 09/08/2021. 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 209377 (Adobe Character Animator 4.0.0 < 4.4.2 Multiple Vulnerabilities (APSB21-95) (macOS)), 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 (209377). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.adobe.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB 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): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: 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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 209377
Nessus Name: Adobe Character Animator 4.0.0 < 4.4.2 Multiple Vulnerabilities (APSB21-95) (macOS)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
09/08/2021 🔍03/16/2022 🔍
03/16/2022 🔍
05/01/2025 🔍
Sources
Vendor: adobe.comAdvisory: apsb21-95
Status: Confirmed
CVE: CVE-2021-40768 (🔍)
GCVE (CVE): GCVE-0-2021-40768
GCVE (VulDB): GCVE-100-195259
Entry
Created: 03/16/2022 22:22Updated: 05/01/2025 13:10
Changes: 03/16/2022 22:22 (49), 03/19/2022 10:28 (1), 10/21/2024 20:05 (16), 05/01/2025 13:10 (3)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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