7.5
HIGH
CVE-2020-17525
Subversion AuthzSVNReposRelativeAccessFile Crash
Description

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

INFO

Published Date :

March 17, 2021, 10:15 a.m.

Last Modified :

Nov. 21, 2024, 5:08 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-17525 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Debian debian_linux
1 Apache subversion
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-17525.

URL Resource
https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html Mailing List Third Party Advisory
https://subversion.apache.org/security/CVE-2020-17525-advisory.txt Exploit Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html Mailing List Third Party Advisory
https://subversion.apache.org/security/CVE-2020-17525-advisory.txt Exploit Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-17525 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-17525 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html
    Added Reference https://subversion.apache.org/security/CVE-2020-17525-advisory.txt
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Jan. 01, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 04, 2021

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2021/05/msg00000.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 23, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://subversion.apache.org/security/CVE-2020-17525-advisory.txt No Types Assigned https://subversion.apache.org/security/CVE-2020-17525-advisory.txt Exploit, Patch, Vendor Advisory
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:* versions from (including) 1.9.0 up to (excluding) 1.10.7 *cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:* versions from (including) 1.11.0 up to (excluding) 1.14.1
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-17525 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-17525 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.22 }} -0.48%

score

0.59753

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability