CVE-2021-40943
MEDIUMCVSS 5.5/10EPSS 0.55%
Last modified
CVE-2021-40943 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Axiosys | Bento4 | 1.6.0-638 |
References
- https://github.com/axiomatic-systems/Bento4/issues/643Exploit, Issue Tracking, Third Party Advisory
- https://github.com/axiomatic-systems/Bento4/issues/643Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40943?
In Bento4 1.6.0-638, there is a null pointer reference in the function AP4_DescriptorListInspector::Action function in Ap4Descriptor.h:124 , as demonstrated by GPAC. This can cause a denial of service (DOS).
How severe is CVE-2021-40943?
CVE-2021-40943 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40943?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-40943?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST