How severe is CVE-2018-11782?

CVE-2018-11782 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-11782 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11782?

CVE-2018-11782 primarily affects Apache Subversion. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11782?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-11782 published?

CVE-2018-11782 was published on 2019-09-26 and last updated on 2026-06-17.

CVE-2018-11782

CVE-2018-11782 is a medium-severity vulnerability in Apache Subversion with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apache Subversion
Published: 2019-09-26
Last modified: 2026-06-17

Description

In Apache Subversion versions up to and including 1.9.10, 1.10.4, 1.12.0, Subversion's svnserve server process may exit when a well-formed read-only request produces a particular answer. This can lead to disruption for users of the server.

Frequently asked questions

What is CVE-2018-11782?: In Apache Subversion versions up to and including 1.9.10, 1.10.4, 1.12.0, Subversion's svnserve server process may exit when a well-formed read-only request produces a particular answer. This can lead to disruption for users of the server.
How severe is CVE-2018-11782?: CVE-2018-11782 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-11782 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11782?: CVE-2018-11782 primarily affects Apache Subversion. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11782?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11782 published?: CVE-2018-11782 was published on 2019-09-26 and last updated on 2026-06-17.

References

http://subversion.apache.org/security/CVE-2018-11782-advisory.txt

Affected products (2)

cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:subversion:1.12.0:*:*:*:*:*:*:*

More vulnerabilities in Apache Subversion

CVE-2017-9800 — Critical (CVSS 9.8): A maliciously constructed svn+ssh:// URL would cause Subversion clients before 1.8.19, 1.9.x before 1.9.7, and 1.10.0.x…
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