What is CVE-2020-17525?

CVE-2020-17525 is a high-severity vulnerability in Apache Subversion, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-03-17.

How severe is CVE-2020-17525?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-17525 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Apache Subversion

CVE-2020-17525

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 u…

EPSS: 0.401 (98.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Subversion
Apache Software Foundation Subversion — versions mod_authz_svn 1.10.7, mod_authz_svn
Debian Debian_linux — versions 9.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

security@apache.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
security@apache.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-17525?: CVE-2020-17525 is a high-severity vulnerability in Apache Subversion, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-03-17.
How severe is CVE-2020-17525?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-17525 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.