Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
| Informations | |||
|---|---|---|---|
| Name | CVE-2020-20949 | First vendor Publication | 2021-01-20 |
| Vendor | Cve | Last vendor Modification | 2021-07-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | |||
|---|---|---|---|
| Overall CVSS Score | 5.9 | ||
| Base Score | 5.9 | Environmental Score | 5.9 |
| impact SubScore | 3.6 | Temporal Score | 5.9 |
| Exploitabality Sub Score | 2.2 | ||
| Attack Vector | Network | Attack Complexity | High |
| Privileges Required | None | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | None | Availability Impact | None |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:M/Au:N/C:P/I:N/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 4.3 | Attack Range | Network |
| Cvss Impact Score | 2.9 | Attack Complexity | Medium |
| Cvss Expoit Score | 8.6 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| Bleichenbacher's attack on PKCS #1 v1.5 padding for RSA in STM32 cryptographic firmware library software expansion for STM32Cube (UM1924). The vulnerability can allow one to use Bleichenbacher's oracle attack to decrypt an encrypted ciphertext by making successive queries to the server using the vulnerable library, resulting in remote information disclosure. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20949 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-327 | Use of a Broken or Risky Cryptographic Algorithm (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 | |
| Application | 1 |
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2021-08-05 01:37:51 |
|
| 2021-07-21 17:23:03 |
|
| 2021-05-04 13:51:02 |
|
| 2021-04-22 03:02:30 |
|
| 2021-02-02 21:23:25 |
|
| 2021-01-21 00:22:49 |
|
| 2021-01-20 21:23:24 |
|
