CVE-2019-5464

CRITICAL
9.8
CVSS Score
Published: January 28, 2020 at 02:23 AM UTC
Updated: June 17, 2026 at 02:37 AM UTC
1 product affected across 1 vendorGitLab

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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 10.210.2.0 ≤ v < 11.11.7
Affected range stops below 11.11.7, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 12.1.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-918

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