CVE-2021-26712
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Incorrect access controls in res_srtp.c in Sangoma Asterisk 13.38.1, 16.16.0, 17.9.1, and 18.2.0 and Certified Asterisk 16.8-cert5 allow a remote unauthenticated attacker to prematurely terminate secure calls by replaying SRTP packets.
Los controles de acceso incorrectos en el archivo res_srtp.c en Sangoma Asterisk versiones 13.38.1, 16.16.0, 17.9.1 y 18.2.0 y Certified Asterisk 16.8-cert5, permite a un atacante remoto no autenticado finalizar prematuramente llamadas seguras al reproducir paquetes SRTP
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-02-05 CVE Reserved
- 2021-02-18 CVE Published
- 2024-02-07 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/161473/Asterisk-Project-Security-Advisory-AST-2021-003.html | Third Party Advisory |
|
| http://seclists.org/fulldisclosure/2021/Feb/59 | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://issues.asterisk.org/jira/browse/ASTERISK-29260 | 2021-02-24 |
| URL | Date | SRC |
|---|---|---|
| https://downloads.asterisk.org/pub/security | 2021-02-24 | |
| https://downloads.asterisk.org/pub/security/AST-2021-003.html | 2021-02-24 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Digium Search vendor "Digium" | Asterisk Search vendor "Digium" for product "Asterisk" | >= 13.0.0 <= 13.38.2 Search vendor "Digium" for product "Asterisk" and version " >= 13.0.0 <= 13.38.2" | - |
Affected
| ||||||
| Digium Search vendor "Digium" | Asterisk Search vendor "Digium" for product "Asterisk" | >= 16.0.0 < 16.16.1 Search vendor "Digium" for product "Asterisk" and version " >= 16.0.0 < 16.16.1" | - |
Affected
| ||||||
| Digium Search vendor "Digium" | Asterisk Search vendor "Digium" for product "Asterisk" | >= 17.0.0 < 17.9.2 Search vendor "Digium" for product "Asterisk" and version " >= 17.0.0 < 17.9.2" | - |
Affected
| ||||||
| Digium Search vendor "Digium" | Asterisk Search vendor "Digium" for product "Asterisk" | >= 18.0 < 18.2.1 Search vendor "Digium" for product "Asterisk" and version " >= 18.0 < 18.2.1" | - |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | - |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert1-rc1 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert1-rc2 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert1-rc3 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert1-rc4 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert2 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert3 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert4 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert4-rc1 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert4-rc2 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert4-rc3 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert4-rc4 |
Affected
| ||||||
| Digium Search vendor "Digium" | Certified Asterisk Search vendor "Digium" for product "Certified Asterisk" | 16.8 Search vendor "Digium" for product "Certified Asterisk" and version "16.8" | cert5 |
Affected
| ||||||