THREATPORT/VULNERABILITY/CVE-2020-17525
HIGH SEVERITY

CVE-2020-17525

Subversion vulnerability

CVSS
7.5
EPSS
40.1%
EPSS pct
98th
Exploited
No known
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
Affected vendor
Apache
Affected product
Subversion
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-476 — NULL Pointer Dereference
Published
2021-03-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 40.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2020-17525

  • Confirm whether Apache Subversion is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-17525.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-17525

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-17525 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2020-17525?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2020-17525.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH
CVE-2014-6330
Internet Explorer vulnerability
HIGH
CVE-2014-6356
Office Compatibility Pack vulnerability
HIGH
CVE-2014-6357
Office vulnerability