High
Security advisory
Subversion's mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-17525
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:26 UTC · Revision 1
Source evidence
Subversion's mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7
osv:CVE-2020-17525
Complete source record
{
"id": "b7a81bb59652f3367ebefd0b1f3a30f800bfa48052cf9cf64798c01db9e97b75",
"url": "https://osv.dev/vulnerability/CVE-2020-17525",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-17525",
"summary": "Subversion's mod_authz_svn module will crash if the server is using in-repository authz rules with the AuthzSVNReposRelativeAccessFile option and a client sends a request for a non-existing repository URL. This can lead to disruption for users of the service. This issue was fixed in mod_dav_svn+mod_authz_svn servers 1.14.1 and mod_dav_svn+mod_authz_svn servers 1.10.7",
"evidence": "osv:CVE-2020-17525",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-17525",
"aliases": [
"BIT-subversion-2020-17525",
"CVE-2020-17525"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/subversion",
"type": "GIT",
"events": [
{
"introduced": "d5c449a05c043ec247cb68cb2bbb891779eb8566"
},
{
"fixed": "789e63d1f431ca38dffa1e91bd2230daf361bfb4"
},
{
"introduced": "f6bc87d00259140249e8ff672b2913ab24ebdf86"
},
{
"fixed": "209825a473d8fe106e52c6082d1c363f06109d2b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.9.0"
},
{
"fixed": "1.10.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.11.0"
},
{
"fixed": "1.14.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17525.json"
}
}
],
"modified": "2026-10-24T10:30:18.376525786Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html",
"https://subversion.apache.org/security/CVE-2020-17525-advisory.txt"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-17525",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 429759,
"published_at": "2021-03-17T10:15:11.873+00:00"
}