CVE-2020-13775

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Source

https://cve.org/CVERecord?id=CVE-2020-13775

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13775.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2020-13775

Downstream

Published

2020-06-02T23:15:10Z

Modified

2026-07-08T20:30:24Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.

Database specific

{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "31"
                },
                {
                    "last_affected":  "31"
                },
                {
                    "introduced":  "32"
                },
                {
                    "last_affected":  "32"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        }
    ]
}

References

Affected packages

Git / github.com/znc/znc

Affected ranges

Type

GIT

Repo

https://github.com/znc/znc

Events

Introduced

492b4ab00792adbf773379e9b0b781ee4d29567d

Last Affected

492b4ab00792adbf773379e9b0b781ee4d29567d

Fixed

2390ad111bde16a78c98ac44572090b33c3bd2d8

Fixed

d229761821da38d984a9e4098ad96842490dc001

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:znc:znc:1.8.0:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "1.8.0"
        },
        {
            "last_affected":  "1.8.0"
        }
    ],
    "source":  [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

1.*

1.8.0

znc-1.*

znc-1.8.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13775.json"

vanir_signatures

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        "deprecated":  false,
        "digest":  {
            "function_hash":  "167904269692328655823236297049711722010",
            "length":  1048
        },
        "id":  "CVE-2020-13775-68c39034",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001",
        "target":  {
            "file":  "src/Client.cpp",
            "function":  "CClient::OnTextMessage"
        }
    },
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            "threshold":  0.9
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        "signature_version":  "v1",
        "source":  "https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001",
        "target":  {
            "file":  "src/Client.cpp"
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    },
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        "digest":  {
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        },
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        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001",
        "target":  {
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        }
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]

vanir_signatures_modified

"2026-07-08T20:30:24Z"