What is the CVSS score of CVE-2019-6327?

CVE-2019-6327 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.4%.

Laserjet Pro M280 M281 T6B80A Firmware CVE-2019-6327

CRITICAL

Classic Buffer Overflow (CWE-120)

2019-06-17 hp-security-alert@hp.com

HP Buffer Overflow Laserjet Pro M280 M281 T6B80A Firmware Laserjet Pro M280 M281 T6B83A Firmware Laserjet Pro M280 M281 T6B81A Firmware Laserjet Pro M280 M281 T6B82A Firmware Laserjet Pro Mfp M28 M31 W2G54A Firmware Laserjet Pro Mfp M28 M31 W2G55A Firmware Laserjet Pro Mfp M28 M31 Y5S53A Firmware Laserjet Pro Mfp M28 M31 Y5S55A Firmware Laserjet Pro Mfp M28 M31 Y5S50A Firmware Laserjet Pro Mfp M28 M31 Y5S54A Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 17, 2019 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

HP Color LaserJet Pro M280-M281 Multifunction Printer series (before v. 20190419), HP LaserJet Pro MFP M28-M31 Printer series (before v. 20190426) may have an IPP Parser potentially vulnerable to Buffer Overflow.

AnalysisAI

HP Color LaserJet Pro M280-M281 Multifunction Printer series (before v. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. HP Color LaserJet Pro M280-M281 Multifunction Printer series (before v. 20190419), HP LaserJet Pro MFP M28-M31 Printer series (before v. 20190426) may have an IPP Parser potentially vulnerable to Buffer Overflow. Affected products include: Hp Laserjet Pro M280-M281 T6B80A Firmware, Hp Laserjet Pro M280-M281 T6B83A Firmware, Hp Laserjet Pro M280-M281 T6B81A Firmware, Hp Laserjet Pro M280-M281 T6B82A Firmware, Hp Laserjet Pro Mfp M28-M31 W2G54A Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.