Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-39237

19
FAUCET Score

CVE-2021-39237 is an information disclosure vulnerability affecting various HP LaserJet and PageWide printers running FutureSmart firmware versions 3, 4, and 5. This medium-severity vulnerability (CVSS 4.6) requires physical access to the device (AV:P) but is low complexity (AC:L) and does not require user interaction, potentially leading to high confidentiality impact. While there is no known exploit code publicly available (Metasploit, Nuclei, ExploitDB) and it's not listed in CISA's KEV catalog, the vulnerability has garnered significant community discussion and media coverage, indicating awareness of its potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.9.8CPE matchmatch criteria
cpe:2.3:o:hp:futuresmart_3:*:*:*:*:*:*:*:*
< 4.11.2.1CPE matchmatch criteria
cpe:2.3:o:hp:futuresmart_4:*:*:*:*:*:*:*:*
< 5.3CPE matchmatch criteria
cpe:2.3:o:hp:futuresmart_5:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.36%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0236 is in the 99th percentile among its peer group of 1,532 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.hp.com / us-en/document/ish_5000124-5000148-16
Vendor Advisory