CVE-2018-20014 — In UrBackup 2.2.6, an attacker can send a malformed request to the client over the network, and trigger a fileservplugin/CClientThread.cpp CClientThread::GetFileHashAndMetadata NULL pointer dereference, leading to shutting down the client application

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HIGH

In UrBackup 2.2.6, an attacker can send a malformed request to the client over the network, and trigger a fileservplugin/CClientThread.cpp CClientThread::GetFileHashAndMetadata NULL pointer dereference, leading to shutting down the client application

Published Jun 7, 2019

7.5

HIGH

CVSS 3.0

EPSS 1.38%

Description

In UrBackup 2.2.6, an attacker can send a malformed request to the client over the network, and trigger a fileservplugin/CClientThread.cpp CClientThread::GetFileHashAndMetadata NULL pointer dereference, leading to shutting down the client application.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.38% 0.01376

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01376

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.38% (0.01376)	71.07th	v5 (v2026.06.15)
Sep 20, 2026	1.38% (0.01376)	70.82th	v5 (v2026.06.15)
Jul 20, 2024	0.16% (0.00163)	53.34th	v3 (v2023.03.01)
Oct 19, 2023	0.16% (0.00163)	52.72th	v3 (v2023.03.01)
Mar 7, 2023	0.11% (0.00114)	43.38th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-476

NULL Pointer Dereference

References (2)

http://www.urbackup.org/client_changelog.html
x_refsource_MISCRelease NotesVendor Advisory
https://github.com/MostafaSoliman/Security-Advisories/blob/master/CVE-2018-20014
x_refsource_MISCThird Party Advisory

Link	Providers	Tags
http://www.urbackup.org/client_changelog.html		x_refsource_MISCRelease NotesVendor Advisory
https://github.com/MostafaSoliman/Security-Advisories/blob/master/CVE-2018-20014		x_refsource_MISCThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jun 7, 2019

Updated Aug 5, 2024

Reserved Dec 10, 2018

Link CVE-2018-20014

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-20014

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-20014