HOMEVULNERABILITIESCVE-2018-5923
CRITICAL

CVE-2018-5923

CWE-347Published: March 27, 2019· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

In HP LaserJet Enterprise, HP PageWide Enterprise, HP LaserJet Managed, and HP OfficeJet Enterprise Printers, solution application signature checking may allow potential execution of arbitrary code.

NVD Source

Technical Analysis

CVE-2018-5923 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

HP276 product(s)
color laserjet cm4540 mfp firmwarecolor laserjet cm4540 mfpcolor laserjet cp5525 firmwarecolor laserjet cp5525color laserjet enterprise flow mfp m681f firmwarecolor laserjet enterprise flow mfp m681fcolor laserjet enterprise flow mfp m681z firmwarecolor laserjet enterprise flow mfp m681zcolor laserjet enterprise flow mfp m682z firmwarecolor laserjet enterprise flow mfp m682zcolor laserjet enterprise m552 firmwarecolor laserjet enterprise m552+264
Source: NVD CPE · 276 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://support.hp.com/us-en/document/c06169434
ADVISORYhttps://support.hp.com/us-en/document/c06169434

All References (2)

→
https://support.hp.com/us-en/document/c06169434Vendor Advisory
→
https://support.hp.com/us-en/document/c06169434Vendor Advisory

Quick Facts

CVE IDCVE-2018-5923
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-347
CISA KEVNo
Affected1 vendor(s)
PublishedMar 27, 2019

Related CVEs (CWE-347)

CVE-2024-32962
10.0
CVE-2026-56451
10.0
CVE-2026-48558
KEV10.0
CVE-2026-44748
9.9
CVE-2022-39237
9.8
CVE-2022-31207
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-5923 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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