HIGH
CVE-2020-0590
CWE-20Published: November 12, 2020· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
Improper input validation in BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access.
Technical Analysis
CVE-2020-0590 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
intel256 product(s)
xeon bronze 3206r firmwarexeon bronze 3206rxeon gold 5218r firmwarexeon gold 5218rxeon gold 5220r firmwarexeon gold 5220rxeon gold 6208u firmwarexeon gold 6208uxeon gold 6226r firmwarexeon gold 6226rxeon gold 6230r firmwarexeon gold 6230r+244
netapp3 product(s)
cloud backupclustered data ontapfas\/aff bios
siemens12 product(s)
simatic ipc527g firmwaresimatic ipc527gsimatic ipc547g firmwaresimatic ipc547gsimatic ipc627e firmwaresimatic ipc627esimatic ipc647e firmwaresimatic ipc647esimatic ipc677e firmwaresimatic ipc677esimatic ipc847e firmwaresimatic ipc847e
Source: NVD CPE · 271 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdfPatch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20201113-0001/Third Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-678983.pdfPatch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20201113-0001/Third Party Advisory
Quick Facts
CVE IDCVE-2020-0590
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected3 vendor(s)
PublishedNov 12, 2020
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-0590 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.