CVE-2021-22887 json
A vulnerability in the BIOS of Pulse Secure (PSA-Series Hardware) models PSA5000 and PSA7000 could allow an attacker to compromise BIOS fir…
published 2021-03-16 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10019
- cvss
- 2.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- supermicro x10slh-f_firmware 3.4
- supermicro x10sll-f_firmware 3.4
- supermicro x10slm-f_firmware 3.4
- supermicro x10sll+f_firmware 3.4
- supermicro x10slm+-f_firmware 3.4
- supermicro x10slm+ln4f_firmware 3.4
- supermicro x10sla-f_firmware 3.4
- supermicro x10sl7-f_firmware 3.4
- supermicro x10sll-s_firmware 3.4
- supermicro x10sll-sf_firmware 3.4
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 2.3 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- n/a PSA5000, PSA7000
Classification
- Weakness
-
- CWE-506 Embedded Malicious Code
References
-
kb.pulsesecure.net
/articles/Pulse_Security_Advisories/SA44712
patch, vendor-advisory
-
supermicro.com
/en/support/security/Trickbot
third-party-advisory
Sources
- CVE List CVE-2021-22887
- NVD CVE-2021-22887
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