CVE•Published 2023-04-28•Modified 2026-06-25•1 article on news•5 live references•NVD data

CVE-2023-27971Hp · Laserjet_pro_m304-m305_w1a46a_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

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

EPSS percentile

Exploit Prediction Scoring System · top 45% of all CVEs

Weaknesses (CWE)

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Description

Certain HP LaserJet Pro print products are potentially vulnerable to Buffer Overflow and/or Elevation of Privilege.

Timeline

Published 2023-04-28

Modified 2026-06-25

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2023-27971

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Laserjet Pro M304-m305 W1a46a Firmware"

Hosts Shodan identified as running Laserjet Pro M304-m305 W1a46a Firmware.

More intel sources (5)

Shodan report

vuln:CVE-2023-27971

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2023-27971

Censys host search filtered to this CVE id.

grep.app

CVE-2023-27971

Public source-code mentions — fast PoC discovery.

GitHub code

CVE-2023-27971

GitHub code search for direct mentions.

Google dork

"CVE-2023-27971" exploit -site:nvd.nist.gov

Write-ups and news, NVD excluded.

Known PoCs on GitHub (4)

CVE-2023-279714 repos

Ostorlab/KEVunknown

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

★ 611·updated 4mo ago

Threekiii/CVEunknown

一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.

★ 174·updated 1w ago

HappyHackingSpace/vt-templatesPHP

★ 6·updated today

Leviticus-Triage/llm-honeypot-intelligenceShell

Distributed honeypot intelligence platform with LLM-powered adaptive deception, RL engagement scoring, automated SIEM rule generation (Suricata/Sigma/YARA), ML anomaly detection, a…

★ 3·updated 1w ago