CVE-2018-20684

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Source

https://cve.org/CVERecord?id=CVE-2018-20684

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20684.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2018-20684

Published

2019-01-10T21:29:00.297Z

Modified

2026-07-08T15:55:54.673832Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator

Summary

[none]

Details

In WinSCP before 5.14 beta, due to missing validation, the scp implementation would accept arbitrary files sent by the server, potentially overwriting unrelated files. This affects TSCPFileSystem::SCPSink in core/ScpFileSystem.cpp.

References

Affected packages

Git / github.com/winscp/winscp

Affected ranges

Type

GIT

Repo

https://github.com/winscp/winscp

Events

Introduced

Last affected

d3f40c5aa777f9f8ccf8f49bbd1e10a49deee337

Fixed

49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54

Database specific

{
    "cpe": "cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.13.7"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

5.*

5.10

5.10.1

5.10.2

5.10.3

5.10.4

5.11

5.11.1

5.11.2

5.11.3

5.12

5.12.1

5.12.2

5.13

5.13.1

5.13.2

5.13.3

5.13.4

5.13.5

5.13.6

5.13.7

5.7.6

5.7.7

5.8

5.8.1

5.8.2

5.8.3

5.8.4

5.9

5.9.1

5.9.2

5.9.3

5.9.4

5.9.5

5.9.6

Database specific

vanir_signatures_modified

"2026-07-08T15:55:54Z"

vanir_signatures

[
    {
        "target": {
            "file": "source/core/ScpFileSystem.cpp"
        },
        "id": "CVE-2018-20684-7e525f07",
        "digest": {
            "line_hashes": [
                "190059343526321250718249722846150668288",
                "265185899346947669849958001449947920961",
                "207441580209763168162942788988296410514",
                "96551852497919177171655564292665931904"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
        "source": "https://github.com/winscp/winscp/commit/49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54"
    },
    {
        "target": {
            "function": "TSCPFileSystem::SCPSink",
            "file": "source/core/ScpFileSystem.cpp"
        },
        "id": "CVE-2018-20684-8f05019a",
        "digest": {
            "function_hash": "94415055861517891977301272192252666951",
            "length": 7337.0
        },
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "source": "https://github.com/winscp/winscp/commit/49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-20684.json"