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CVE-2019-6318· NVD / CVE Program· CNA hp

HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP Officejet Enterprise printers have an ins

HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP Officejet Enterprise printers have an insufficient solution bundle signature validation that potentially allows execution of arbitrary code.

CriticalCVSS 9.8 · v3.0—No exploit No fix recorded
Published
Apr 11, 2019
Updated
Jun 16, 2026
EPSS
2.6% · 85th percentile
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Report tools

JSON

Action score

40

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.6%

Affected systems

VendorProduct
hpcolor laserjet cm4540 mfp firmware
hpcolor laserjet cm4540 mfp
hpcolor laserjet enterprise cp5525 firmware
hpcolor laserjet enterprise cp5525
hpcolor laserjet enterprise m553 firmware
hpcolor laserjet enterprise m553
hpcolor laserjet enterprise m552 firmware
hpcolor laserjet enterprise m552
hpcolor laserjet managed m553 firmware
hpcolor laserjet managed m553
hpcolor laserjet enterprise m651 firmware
hpcolor laserjet enterprise m651

and 188 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • hp color laserjet cm4540 mfp firmwarebefore 2309010_581401
  • hp color laserjet enterprise cp5525 firmwarebefore 2309010_581402
  • hp color laserjet enterprise flow mfp m577 firmwarebefore 2407081_000571
  • hp color laserjet enterprise flow mfp m577 firmwarebefore 2309010_581408
  • hp color laserjet enterprise flow mfp m680 firmwarebefore 2407081_000591
  • hp color laserjet enterprise flow mfp m680 firmwarebefore 2309010_581416
  • hp color laserjet enterprise flow mfp m681 firmwarebefore 2407081_000578
  • hp color laserjet enterprise flow mfp m682 firmwarebefore 2407081_000578
  • hp color laserjet enterprise flow mfp m880z firmwarebefore 2309010_581433
  • hp color laserjet enterprise flow mfp m880z firmwarebefore 2407081_000599
  • hp color laserjet enterprise m552 firmwarebefore 2407081_00060
  • hp color laserjet enterprise m552 firmwarebefore 2309010_581409
  • hp color laserjet enterprise m553 firmwarebefore 2309010_581409
  • hp color laserjet enterprise m651 firmwarebefore 2309010_581418
  • hp color laserjet enterprise m651 firmwarebefore 2407081_000585
  • hp color laserjet enterprise m652 firmwarebefore 2407081_000586
  • hp color laserjet enterprise m653 firmwarebefore 2407081_000586
  • hp color laserjet enterprise m750 firmwarebefore 2309010_581423
  • hp color laserjet enterprise m855 firmwarebefore 2309010_581419
  • hp color laserjet enterprise m855 firmwarebefore 2407081_000589

Versions reported by the vendor

Affected version ranges reported by the assigning authority (hp). Independent of NVD's CPE analysis and usually ahead of it.

  • HP HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP Officejet Enterprise printers

    • affecting multiple firmware versionsaffected

Same product

hp: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-5923In HP LaserJet Enterprise, HP PageWide Enterprise, HP LaserJet Managed, and HP OfficeJet Enterprise Printers, solution application signature
    40Plan
  • CVE-2020-28419During installation with certain driver software or application packages an arbitrary code execution could occur.
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-347 · Improper Verification of Cryptographic Signature

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd-primary

Root cause

The verifier takes the algorithm to verify with from the token’s own header. Untrusted data ends up deciding its own verification rule.

The bug in code

The whole CWE-347 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const claims = jwt.verify(token, publicKey);

Fixed

ts
const claims = jwt.verify(token, publicKey, {  algorithms: ["RS256"],  issuer: "https://id.example.com",  audience: "portal",});

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records