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CVE-2021-22887

Published: Mar 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-506
NVD MITRE
2.3CVSSLOW
EPSS Score
0.2%
Top 84.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A vulnerability in the BIOS of Pulse Secure (PSA-Series Hardware) models PSA5000 and PSA7000 could allow an attacker to compromise BIOS firmware. This vulnerability can be exploited only as part of an attack chain. Before an attacker can compromise the BIOS, they must exploit the device.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:NI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-506NVD-CWE-Other

Affected Products

PSA5000, PSA7000n/a
psa-5000 firmwarepulsesecure
On-prem
Networking Infrastructure
psa-7000 firmwarepulsesecure
On-prem
Networking Infrastructure
x10slh-f firmwaresupermicroHardware Firmware
x10sll-f firmwaresupermicroHardware Firmware
pulsesecurecommercialUSNetworking Infrastructureaka pulsedsecure, pulse secure
supermicrocommercialUSHardware Firmware
and 8 more affected products View all →

Exploitability

Official Patch Available

References

https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44712
kb.pulsesecure.net
https://www.supermicro.com/en/support/security/Trickbot
supermicro.com

Timeline

Published
Mar 16, 2021
Last Updated
Nov 21, 2024

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