CVE-2020-26409
MEDIUMCVSS 6.5/10EPSS 1.24%
Last modified
CVE-2020-26409 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.
Description
A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 10.3.0, < 13.4.7 |
| Gitlab | Gitlab | >= 13.5.0, < 13.5.5 |
| Gitlab | Gitlab | >= 13.6.0, < 13.6.2 |
References
- https://hackerone.com/reports/990461Permissions Required
- https://hackerone.com/reports/990461Permissions Required
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-26409?
A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.
How severe is CVE-2020-26409?
CVE-2020-26409 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26409?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-26409?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST