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Noroxi
NVD / CVE Program· CNA hp

CVE-2020-28419: During installation with certain driver software or application packages an arbitrary code execution could occur.

Noroxi assessment

Priority: Monitor (action score 36/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 2.3% (FIRST EPSS); higher than 83.3% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

HighCVSS 8.8 · v3.1—No exploit No fix recorded
Published
Nov 9, 2021
Updated
Jun 16, 2026
EPSS
2.3% · 83th percentile
CWE
—

Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.3%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2020-28419

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits instantly.

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
hpcolor laserjet cm4540 mfp firmware
hpcolor laserjet cm4540 mfp cc419a
hpcolor laserjet cm4540 mfp cc420a
hpcolor laserjet cm4540 mfp cc421a
hpcolor laserjet enterprise flow mfp m880z firmware
hpcolor laserjet enterprise flow mfp m880z a2w75a
hpcolor laserjet enterprise flow mfp m880z a2w76a
hpcolor laserjet enterprise flow mfp m880z d7p70a
hpcolor laserjet enterprise flow mfp m880z d7p71a
hpcolor laserjet enterprise flow mfp m880z l3u51a
hpcolor laserjet enterprise flow mfp m880z l3u52a
hpcolor laserjet managed flow mfp m880zm firmware

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 laserjet managed mfp e62665 firmwarebefore 49.1.4424
  • hp color laserjet cm4540 mfp firmwarebefore 61.111.01.9108
  • hp color laserjet enterprise flow mfp m577 firmwarebefore 16.0.19233.658
  • hp color laserjet enterprise flow mfp m680 firmwarebefore 10.0.15324.199
  • hp color laserjet enterprise flow mfp m880z firmwarebefore 11.0.19232.882
  • hp color laserjet enterprise m455 firmwarebefore 52.1.4899
  • hp color laserjet enterprise m552 firmwarebefore 14.0.19241.351
  • hp color laserjet enterprise m553 firmwarebefore 14.0.19232.485
  • hp color laserjet enterprise m651 firmwarebefore 10.0.16007.5
  • hp color laserjet enterprise m750 firmwarebefore 9.0.15316.203
  • hp color laserjet enterprise m855 firmwarebefore 11.0.16058.821
  • hp color laserjet enterprise m856 firmwarebefore 50.1.4584
  • hp color laserjet enterprise mfp m480before 52.1.4899
  • hp color laserjet enterprise mfp m577 firmwarebefore 16.0.19235.653
  • hp color laserjet enterprise mfp m680 firmwarebefore 10.0.15324.194
  • hp color laserjet managed e45028 firmwarebefore 52.1.4899
  • hp color laserjet managed e75245 firmwarebefore 49.1.4431
  • hp color laserjet managed e85055 firmwarebefore 50.1.4584
  • hp color laserjet managed flow mfp e62675 firmwarebefore 49.1.4424
  • hp color laserjet managed flow mfp e67550 firmwarebefore 43.2.2509

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.

  • n/a HP LaserJet Printer; HP LaserJet Pro Printer; HP PageWide Printer; HP PageWide Pro Printer; HP inkjet Printer; HP OfficeJet Printer

    • before 61.111.01.9108, before 8.0.13284.929, before 11.0.19232.882, before 52.1.4899, before 14.0.19241.351, before 14.0.19232.485, before 10.0.16007.5, before 9.0.15316.203, before 11.0.16058.821, before 50.1.4584, before 16.0.19235.653, before 16.0.19233.658 … (+12)affected

Same product

hp: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-6318HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP Officejet Enterprise printers have an ins
    40Plan
  • CVE-2018-5923In HP LaserJet Enterprise, HP PageWide Enterprise, HP LaserJet Managed, and HP OfficeJet Enterprise Printers, solution application signature
    40Plan

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.

No history yet (it accumulates with the daily EPSS job).

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.
  • A user must open a link or visit a page.
  • 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
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-primary

Attack context

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

MITRE has no CAPEC/ATT&CK mapping for this CWE.

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