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CVE-2021-22887

LOW
2.3
CVSS Score
Published: March 16, 2021 at 03:04 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
20 products affected across 2 vendorsX10SLA F FirmwareX10SLM F FirmwareX10SLM LN4F Firmware

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Severity
LOW2.3
Exploit prediction
EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Psa 5000 Firmware· Pulsesecure
95%
All versions
pulsesecure-psa-5000 (same device)
Psa 7000 Firmware· Pulsesecure
95%
All versions
pulsesecure-psa-7000 (same device)
X10SL7 F Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10sl7-f (same device)
X10SLA F Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10sla-f (same device)
X10SLH F Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10slh-f (same device)
X10SLL F Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10sll-f (same device)
X10SLL S Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10sll-s (same device)
X10SLL Sf Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10sll-sf (same device)
X10SLM F Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10slm-f (same device)
X10SLM LN4F Firmware· Supermicro
95%
v < 3.4
Affected range stops below 3.4, so it looks safe — our inference, not a vendor statement
supermicro-x10slm-ln4f (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44712
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.supermicro.com/en/support/security/Trickbot

CVSS

2.3LOW[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-506NVD-CWE-Other

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