HOMEVULNERABILITIESCVE-2018-19120
HIGH

CVE-2018-19120

CWE-200Published: November 29, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The HTML thumbnailer plugin in KDE Applications before 18.12.0 allows attackers to trigger outbound TCP connections to arbitrary IP addresses, leading to disclosure of the source IP address.

NVD Source

Technical Analysis

CVE-2018-19120 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

kde1 product(s)
kde applications
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=1649420
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=1649420

All References (4)

→
https://bugzilla.redhat.com/show_bug.cgi?id=1649420Issue Tracking · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CWRCGXLPJHM4OFD66BINH2FIMYHRCRKF/
→
https://bugzilla.redhat.com/show_bug.cgi?id=1649420Issue Tracking · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CWRCGXLPJHM4OFD66BINH2FIMYHRCRKF/

Quick Facts

CVE IDCVE-2018-19120
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedNov 29, 2018

Related CVEs (CWE-200)

CVE-2008-0082
10.0
CVE-2008-3010
10.0
CVE-2008-1252
10.0
CVE-2008-1155
10.0
CVE-2008-3914
10.0
CVE-2025-22612
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-19120 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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