Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099 null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.7 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Adobe Acrobat Reader up to 17.011.30204/20.004.30017/21.007.20099 (Document Reader Software). Affected is an unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability.
The weakness was presented 01/15/2022 as apsb22-01. The advisory is shared for download at helpx.adobe.com. This vulnerability is traded as CVE-2021-44740 since 12/08/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/15/2022).
Upgrading eliminates this vulnerability.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.8VulDB Meta Temp Score: 3.7
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 3.3
CNA Vector (Adobe Systems Incorporated): 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/08/2021 🔍01/15/2022 🔍
01/15/2022 🔍
01/19/2022 🔍
Sources
Vendor: adobe.comAdvisory: apsb22-01
Status: Confirmed
CVE: CVE-2021-44740 (🔍)
Entry
Created: 01/15/2022 08:02Updated: 01/19/2022 13:12
Changes: 01/15/2022 08:02 (49), 01/19/2022 13:12 (1)
Complete: 🔍
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