Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-3321 | First vendor Publication | 2021-10-12 |
| Vendor | Cve | Last vendor Modification | 2021-10-18 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 8.8 | ||
| Base Score | 8.8 | Environmental Score | 8.8 |
| impact SubScore | 5.9 | Temporal Score | 8.8 |
| Exploitabality Sub Score | 2.8 | ||
| Attack Vector | Adjacent | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:A/AC:L/Au:N/C:P/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 5.8 | Attack Range | Adjacent network |
| Cvss Impact Score | 6.4 | Attack Complexity | Low |
| Cvss Expoit Score | 6.5 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99 |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3321 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-191 | Integer Underflow (Wrap or Wraparound) |
CPE : Common Platform Enumeration
Sources (Detail)
| Source | Url |
|---|---|
| MISC | http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g... |
Alert History
| Date | Informations |
|---|---|
| 2023-03-08 02:05:22 |
|
| 2021-10-18 21:22:51 |
|
| 2021-10-13 17:22:52 |
|
| 2021-10-13 05:22:49 |
|
