Vulnerability Details : CVE-2021-3319
DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2021-3319
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3319
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3319
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H |
2.2
|
4.2
|
Zephyr Project |
CWE ids for CVE-2021-3319
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- vulnerabilities@zephyrproject.org (Secondary)
-
Casting a non-structure type to a structure type and accessing a field can lead to memory access errors or data corruption.Assigned by: vulnerabilities@zephyrproject.org (Secondary)
References for CVE-2021-3319
-
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364
DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses · Advisory · zephyrproject-rtos/zephyr · GitHubExploit;Patch;Third Party Advisory
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