Vulnerability Details : CVE-2021-3330
RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr. Zephyr versions >= >=2.4.0 contain Out-of-bounds Write (CWE-787). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2021-3330
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3330
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3330
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:A/AC:L/Au:N/C:P/I:P/A:P |
6.5
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
2.8
|
3.7
|
Zephyr Project |
CWE ids for CVE-2021-3330
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- vulnerabilities@zephyrproject.org (Secondary)
References for CVE-2021-3330
-
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-fj4r-373f-9456
RCE/DOS: Linked-list corruption leading to large out-of-bounds write while sorting for forged fragment list in Zephyr · Advisory · zephyrproject-rtos/zephyr · GitHubExploit;Patch;Third Party Advisory
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