| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Adobe Media Encoder up to 15.4.1. Affected is an unknown function. Such manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2021-40778. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.
Details
A vulnerability was found in Adobe Media Encoder up to 15.4.1 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.
The weakness was published 03/16/2022 as apsb21-99. The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2021-40778 since 09/08/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 209464 (Adobe Media Encoder < 15.4.2 Multiple Vulnerabilities (APSB21-99) (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 (209464). Once again VulDB remains the best source 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 |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: 🔍
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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 209464
Nessus Name: Adobe Media Encoder < 15.4.2 Multiple Vulnerabilities (APSB21-99) (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: apsb21-99
Status: Confirmed
CVE: CVE-2021-40778 (🔍)
GCVE (CVE): GCVE-0-2021-40778
GCVE (VulDB): GCVE-100-195260
Entry
Created: 03/16/2022 22:23Updated: 05/01/2025 13:10
Changes: 03/16/2022 22:23 (48), 03/19/2022 10:34 (1), 10/23/2024 18:58 (16), 05/01/2025 13:10 (3)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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