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.

Published: 2019-09-26 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-11782 is rated Moderate Risk (55.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.42%). EPSS rose +1.19% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-11782

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.23% 2.42% +1.19%
2 2025-12-28 1.02% 1.23% +0.21%
3 2025-12-27 — 1.02% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-11782

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2018-11782

OS Trackers for CVE-2018-11782

vendor priority summary link
alpine medium CVE-2018-11782: 1 source package rows (subversion); 20 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 10. https://security.alpinelinux.org/vuln/CVE-2018-11782
debian not yet assigned CVE-2018-11782 not yet assigned priority: Debian including 1 source packages (subversion), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-11782
redhat medium — https://access.redhat.com/security/cve/CVE-2018-11782
suse medium CVE-2018-11782 severity moderate: SUSE including 93 source package names (libserf-1.3.9-9.module+el8.3.0+6671+2675c974, libsvn_auth_gnome_keyring-1-0-1.10.6-1.12, …), 140 product×package rows across 32 product lines (SUSE Liberty Linux 7, SUSE Liberty Linux 7 LTSS, … (32 product lines)): Fixed 140. https://www.suse.com/security/cve/CVE-2018-11782/
ubuntu medium CVE-2018-11782 medium priority: Ubuntu including 1 source packages (subversion), 11 status rows across 11 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): not-affected 6, released 3, DNE 1, ignored 1. https://ubuntu.com/security/CVE-2018-11782

Affected software / configurations for CVE-2018-11782

Vendor Product Version Raw CPE
apache subversion <= 1.9.10 cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
apache subversion >= 1.10.0, <= 1.10.4 cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
apache subversion >= 1.11.0, <= 1.11.1 cpe:2.3:a:apache:subversion:*:*:*:*:*:*:*:*
apache subversion 1.12.0 cpe:2.3:a:apache:subversion:1.12.0:*:*:*:*:*:*:*

References for CVE-2018-11782

cvelogic Threat Intelligence