| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Adobe After Effects up to 18.4 and classified as critical. This affects an unknown function of the component m4a File Handler. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2021-40752. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability classified as critical was found in Adobe After Effects up to 18.4. Affected by this vulnerability is an unknown part of the component m4a File Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was released 11/19/2021 as apsb21-79. It is possible to read the advisory at helpx.adobe.com. This vulnerability is known as CVE-2021-40752 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 209422 (Adobe After Effects < 18.4.2 Multiple Vulnerabilities (APSB21-79) (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 (209422). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
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: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
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: 209422
Nessus Name: Adobe After Effects < 18.4.2 Multiple Vulnerabilities (APSB21-79) (macOS)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
09/08/2021 🔍11/19/2021 🔍
11/19/2021 🔍
05/02/2025 🔍
Sources
Vendor: adobe.comAdvisory: apsb21-79
Status: Confirmed
CVE: CVE-2021-40752 (🔍)
GCVE (CVE): GCVE-0-2021-40752
GCVE (VulDB): GCVE-100-186931
Entry
Created: 11/19/2021 07:41Updated: 05/02/2025 21:37
Changes: 11/19/2021 07:41 (49), 11/22/2021 09:00 (1), 11/22/2021 09:01 (7), 10/27/2024 02:13 (16), 05/02/2025 21:37 (4)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

No comments yet. Languages: en.
Please log in to comment.