Medium
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-13775
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:33 UTC · Revision 1
Source evidence
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.
osv:CVE-2020-13775
Complete source record
{
"id": "d5ff1bb162ea1184af228d591d004065ade4598e3a7532fe0846c1d25e7b60aa",
"url": "https://osv.dev/vulnerability/CVE-2020-13775",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-13775",
"summary": "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.",
"evidence": "osv:CVE-2020-13775",
"products": [],
"severity": "medium",
"structured": {
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"aliases": [
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],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
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"affected": [
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{
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}
],
"versions": [
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],
"modified": "2026-10-20T13:49:47.791460839Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/",
"https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8",
"https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001"
],
"provider_metadata": {
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"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
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{
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},
{
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{
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],
"source": "CPE_STRING"
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}
},
"related_cves": [
{
"value": "CVE-2020-13775",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388254,
"published_at": "2020-06-02T23:15:10.567+00:00"
}