CVE-2021-28117

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Source
https://cve.org/CVERecord?id=CVE-2021-28117
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-28117.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-28117
Downstream
Published
2021-03-20T21:15:11.827Z
Modified
2026-04-16T00:11:19.310296784Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

libdiscover/backends/KNSBackend/KNSResource.cpp in KDE Discover before 5.21.3 automatically creates links to potentially dangerous URLs (that are neither https:// nor http://) based on the content of the store.kde.org web site. (5.18.7 is also a fixed version.)

References

Affected packages

Git / github.com/kde/discover

Affected ranges

Type
GIT
Repo
https://github.com/kde/discover
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
d96cf4bd89ca0572d0941cf63d93169e805e2780
Fixed
fcd3b30552bf03a384b1a16f9bb8db029c111356
Database specific 
{
    "cpe": "cpe:2.3:a:kde:discover:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.21.3"
        }
    ],
    "source": [
        "CPE_FIELD",
        "REFERENCES"
    ]
}

Affected versions

v5.*
v5.10.95
v5.11.95
v5.12.90
v5.13.90
v5.14.90
v5.15.90
v5.16.90
v5.17.90
v5.18.3
v5.18.4
v5.18.4.1
v5.18.5
v5.18.6
v5.18.90
v5.19.90
v5.20.90
v5.21.0
v5.21.1
v5.21.2
v5.4.95
v5.5.95
v5.6.95
v5.7.95
v5.8.95
v5.9.95

Database specific

vanir_signatures 
[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "299753549578302202398139767977502403581",
                "6233040012297922460003511610742293943",
                "283159835798834203877797608197497803258",
                "258756495566470153356750044255168866583"
            ]
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "id": "CVE-2021-28117-0bd05b69",
        "source": "https://github.com/kde/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356",
        "target": {
            "file": "libdiscover/backends/KNSBackend/KNSResource.cpp"
        },
        "deprecated": false
    },
    {
        "digest": {
            "length": 686.0,
            "function_hash": "227363872241428024300749278080191516221"
        },
        "signature_type": "Function",
        "source": "https://github.com/kde/discover/commit/fcd3b30552bf03a384b1a16f9bb8db029c111356",
        "id": "CVE-2021-28117-e429c6f1",
        "deprecated": false,
        "target": {
            "function": "KNSResource::longDescription",
            "file": "libdiscover/backends/KNSBackend/KNSResource.cpp"
        },
        "signature_version": "v1"
    }
]
vanir_signatures_modified 
"2026-04-12T02:45:08Z"
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-28117.json"