Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2021-26906 | First vendor Publication | 2021-02-18 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H | |||
|---|---|---|---|
| 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 | None |
| Integrity Impact | None | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P) | |||
|---|---|---|---|
| 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
| An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26906 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-404 | Improper Resource Shutdown or Release |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2024-11-28 13:54:26 |
|
| 2024-02-16 13:12:38 |
|
| 2021-08-07 12:41:52 |
|
| 2021-05-04 14:07:13 |
|
| 2021-04-22 03:12:24 |
|
| 2021-03-26 12:38:23 |
|
| 2021-02-19 21:23:32 |
|
| 2021-02-19 05:23:02 |
|
| 2021-02-19 00:23:03 |
|
