CVE-2021-23408
Prototype Pollution
MEDIUM
4.3
CVSS Score
Published: July 21, 2021 at 03:35 PM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorGraphhopper
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Severity
MEDIUM4.3
Exploit prediction
EPSS 1%
Description
This affects the package com.graphhopper:graphhopper-web-bundle before 3.2, from 4.0-pre1 and before 4.0. The URL parser could be tricked into adding or modifying properties of Object.prototype using a constructor or __proto__ payload.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
Affected range stops below 3.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/graphhopper/graphhopper/pull/2370x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/graphhopper/graphhopper/releases/tag/3.1x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/graphhopper/graphhopper/releases/tag/3.2x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JAVA-COMGRAPHHOPPER-1320114CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-1321
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