CVE-2020-0591
MEDIUMCVSS 6.7/10EPSS 0.31%
Last modified
CVE-2020-0591 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. Improper buffer restrictions in BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
Improper buffer restrictions in BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Bios | All versions |
| Siemens | Simatic Cpu 1518-4 Firmware | All versions |
| Siemens | Simatic Cpu 1518f-4 Firmware | All versions |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-501073.pdfThird Party Advisory
- https://security.netapp.com/advisory/ntap-20201113-0001/Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-501073.pdfThird Party Advisory
- https://security.netapp.com/advisory/ntap-20201113-0001/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-0591?
Improper buffer restrictions in BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2020-0591?
CVE-2020-0591 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2020-0591?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Related CVEs from 2020
- CVE-2020-0585Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2020-0586Improper initialization in subsystem for Intel(R) SPS versio…7.8
- CVE-2020-0587Improper conditions check in BIOS firmware for some Intel(R)…6.7
- CVE-2020-0588Improper conditions check in BIOS firmware for some Intel(R)…6.7
- CVE-2020-0589Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2020-0590Improper input validation in BIOS firmware for some Intel(R)…7.8
- CVE-2020-0592Out of bounds write in BIOS firmware for some Intel(R) Proce…6.7
- CVE-2020-0593Improper buffer restrictions in BIOS firmware for some Intel…6.7
- CVE-2020-0594Out-of-bounds read in IPv6 subsystem in Intel(R) AMT and Int…9.8
- CVE-2020-0595Use after free in IPv6 subsystem in Intel(R) AMT and Intel(R…9.8
- CVE-2020-0596Improper input validation in DHCPv6 subsystem in Intel(R) AM…7.5
- CVE-2020-0597Out-of-bounds read in IPv6 subsystem in Intel(R) AMT and Int…7.5
Are you affected by CVE-2020-0591?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST