CVE-2010-4539

Subversion vulnerability

CVSS

6.8

EPSS

5.1%

EPSS pct

92th

Exploited

No known

The walk function in repos.c in the mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion before 1.6.15, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger the walking of SVNParentPath collections.

Affected vendor

Apache

Affected product

Subversion

CVSS vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Weakness type (CWE)

CWE-399

Published

2011-01-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring single-factor authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 5.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2010-4539

Confirm whether Apache Subversion is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2010-4539.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2010-4539

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2010-4539 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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