Vulnerability · Published Sep 6, 2021 · Assigned by OTRS
CVE-2021-36093DoS attack using PostMaster filters
Medium 5.3
In plain English
A medium-severity security flaw in OTRS from OTRS AG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)1.1%top 34.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | otrs2 | no fix listed | UBUNTU-CVE-2021-36093 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OTRS AG | ((OTRS)) Community Edition | 6.0.1 – before 6.0.x* |
| OTRS AG | OTRS | 7.0.x – through 7.0.288.0.x – through 8.0.15 |
Weakness: CWE-185 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://otrs.com/release-notes/otrs-security-advisory-2021-16/ x_refsource_CONFIRM