CVE-2019-5464
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the ...
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the url_blocker.rb which could result in SSRF where the library is utilized.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the url_blocker.rb which could result in SSRF where the library is utilized.
- Record
CVE-2019-5464- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20, CWE-918
- Updated
- 2026-11-02
CVE List No score
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the url_blocker.rb which could result in SSRF where the library is utilized.
- Record
CVE-2019-5464- Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2019-15046 No score
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the url_blocker.rb which could result in SSRF where the library is utilized.
- Record
EUVD-2019-15046- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4736-r24c-m444 No score
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the ...
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the url_blocker.rb which could result in SSRF where the library is utilized.
- Record
GHSA-4736-r24c-m444- Updated
- 2026-11-02
OSV
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the url_blocker.rb which could result in SSRF where the library is utilized.
- Record
CVE-2019-5464- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-5464 is a critical vulnerability (CVSS 9.8) in Gitlab, published January 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.80%, the 86th percentile. No source names a fixed version.