Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-40507 | First vendor Publication | 2023-04-18 |
| Vendor | Cve | Last vendor Modification | 2023-04-27 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 9.8 | ||
| Base Score | 9.8 | Environmental Score | 9.8 |
| impact SubScore | 5.9 | Temporal Score | 9.8 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | 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 : | |||
|---|---|---|---|
| Cvss Base Score | N/A | Attack Range | N/A |
| Cvss Impact Score | N/A | Attack Complexity | N/A |
| Cvss Expoit Score | N/A | Authentication | N/A |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| An issue was discovered in the ALU unit of the OR1200 (aka OpenRISC 1200) processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated correctly for the subtract instruction, which results in an incorrect value in the overflow flag. Any software that relies on this flag may experience corruption in execution. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40507 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-287 | Improper Authentication |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f... https://seth.engr.tamu.edu/software-releases/thehuzz/ |
Alert History
| Date | Informations |
|---|---|
| 2023-04-27 21:27:20 |
|
| 2023-04-18 17:27:16 |
|
