Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-21777 | First vendor Publication | 2021-06-17 |
| Vendor | Cve | Last vendor Modification | 2022-08-24 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 10 | ||
| Base Score | 10 | Environmental Score | 10 |
| impact SubScore | 5.8 | Temporal Score | 10 |
| Exploitabality Sub Score | 3.9 | ||
| Attack Vector | Network | Attack Complexity | Low |
| Privileges Required | None | User Interaction | None |
| Scope | Changed | Confidentiality Impact | High |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:C/I:N/A:C) | |||
|---|---|---|---|
| Cvss Base Score | 9.4 | Attack Range | Network |
| Cvss Impact Score | 9.2 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted network request can lead to an out-of-bounds read. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21777 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-125 | Out-of-bounds Read |
CPE : Common Platform Enumeration
| Type | Description | Count |
|---|---|---|
| Application | 1 |
Snort® IPS/IDS
| Date | Description |
|---|---|
| 2021-02-18 | TRUFFLEHUNTER TALOS-2021-1234 attack attempt RuleID : 57056 - Revision : 1 - Type : PROTOCOL-SCADA |
Sources (Detail)
| Source | Url |
|---|---|
| MISC | https://talosintelligence.com/vulnerability_reports/TALOS-2021-1234 |
Alert History
| Date | Informations |
|---|---|
| 2022-08-25 00:27:26 |
|
| 2022-04-20 00:23:17 |
|
| 2021-06-24 21:23:11 |
|
| 2021-06-17 21:23:17 |
|
| 2021-06-17 17:22:49 |
|
