Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099 Format Event Action use after free

CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $5k-$25k | 0.03 |
Summary
A vulnerability was found in Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099. It has been rated as problematic. This issue affects some unknown processing of the component Format Event Action Handler. The manipulation leads to use after free. The identification of this vulnerability is CVE-2021-44713. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.
Details
A vulnerability was found in Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099 (Document Reader Software). It has been declared as problematic. This vulnerability affects some unknown processing of the component Format Event Action Handler. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect availability.
The weakness was released 01/15/2022 as apsb22-01. The advisory is available at helpx.adobe.com. This vulnerability was named CVE-2021-44713 since 12/07/2021. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 01/15/2022).
Upgrading eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
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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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/07/2021 🔍01/15/2022 🔍
01/15/2022 🔍
01/19/2022 🔍
Sources
Vendor: adobe.comAdvisory: apsb22-01
Status: Confirmed
CVE: CVE-2021-44713 (🔍)
GCVE (CVE): GCVE-0-2021-44713
GCVE (VulDB): GCVE-100-190546
Entry
Created: 01/15/2022 08:01Updated: 01/19/2022 12:50
Changes: 01/15/2022 08:01 (50), 01/19/2022 12:50 (1)
Complete: 🔍
Cache ID: 216:5E3:103
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