Vulnerability Details : CVE-2021-3436
BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known. Zephyr versions >= 1.14.2, >= 2.4.0, >= 2.5.0 contain Use of Multiple Resources with Duplicate Identifier (CWE-694). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63
Products affected by CVE-2021-3436
- cpe:2.3:o:zephyrproject:zephyr:1.14.2:*:*:*:*:*:*:*
- cpe:2.3:o:zephyrproject:zephyr:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:o:zephyrproject:zephyr:2.5.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3436
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3436
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:P |
10.0
|
4.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
3.9
|
2.5
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
2.8
|
1.4
|
Zephyr Project |
CWE ids for CVE-2021-3436
-
The product uses multiple resources that can have the same identifier, in a context in which unique identifiers are required.Assigned by: vulnerabilities@zephyrproject.org (Secondary)
References for CVE-2021-3436
-
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-j76f-35mc-4h63
BT: Possible to overwrite an existing bond during keys distribution phase when the identity address of the bond is known · Advisory · zephyrproject-rtos/zephyr · GitHubExploit;Patch;Third Party Advisory
Jump to