SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-3942

Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.

CRITICAL 9.8EPSS 1.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.47% probability · 72th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
hp/color laserjet cm4540 mfp cc419a firmware · hp/color laserjet cm4540 mfp cc420a firmware · hp/color laserjet cm4540 mfp cc421a firmware · hp/color laserjet cm5525 mfp ce707a firmware · hp/color laserjet cm5525 mfp ce708a firmware · hp/color laserjet cm5525 mfp ce709a firmware · hp/color laserjet m578 mfp 7zu85a firmware · hp/color laserjet m578 mfp 7zu86a firmware · hp/color laserjet m578 mfp 7zu87a firmware · hp/color laserjet m578 mfp 7zu88a firmware · hp/color laserjet enterprise flow mfp m880z d7p70a firmware · hp/color laserjet enterprise flow mfp m880z a2w75a firmware · hp/color laserjet enterprise flow mfp m880z a2w76a firmware · hp/color laserjet enterprise flow mfp m880z d7p71a firmware · hp/color laserjet enterprise flow mfp m880z l3u51a firmware · hp/color laserjet enterprise flow mfp m880z l3u52a firmware · hp/color laserjet managed flow mfp m880zm d7p70a firmware · hp/color laserjet managed flow mfp m880zm a2w75a firmware · hp/color laserjet managed flow mfp m880zm a2w76a firmware · hp/color laserjet managed flow mfp m880zm d7p71a firmware · +40 more
Source
hp-security-alert@hp.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.