CVE-2021-36093
DoS attack using PostMaster filters
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x version 8.0.15 and prior versions.
Es posible crear un correo electrónico que puede atascarse mientras es procesado por los filtros PostMaster, causando DoS. Este problema afecta a: OTRS AG ((OTRS)) Community Edition versión 6.0.x, versión 6.0.1 y versiones posteriores. OTRS AG OTRS versión 7.0.x, versión 7.0.28 y versiones anteriores; versión 8.0.x, versión 8.0.15 y versiones anteriores.
*Credits:
Alberto Molina
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
- 2021-07-01 CVE Reserved
- 2021-09-06 CVE Published
- 2024-05-22 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-185: Incorrect Regular Expression
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://otrs.com/release-notes/otrs-security-advisory-2021-16 | 2021-09-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Otrs Search vendor "Otrs" | Otrs Search vendor "Otrs" for product "Otrs" | >= 6.0.1 Search vendor "Otrs" for product "Otrs" and version " >= 6.0.1" | community |
Affected
| ||||||
| Otrs Search vendor "Otrs" | Otrs Search vendor "Otrs" for product "Otrs" | >= 7.0.0 < 7.0.29 Search vendor "Otrs" for product "Otrs" and version " >= 7.0.0 < 7.0.29" | - |
Affected
| ||||||
| Otrs Search vendor "Otrs" | Otrs Search vendor "Otrs" for product "Otrs" | >= 8.0.0 < 8.0.16 Search vendor "Otrs" for product "Otrs" and version " >= 8.0.0 < 8.0.16" | - |
Affected
| ||||||