CVE-2023-22615

highpriority · track · 34EPSS 0.002 · 10 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 8.4 · high

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. IHISI subfunction execution may corrupt SMRAM. An attacker can pass an address in the RCX save state register that overlaps SMRAM, thereby coercing an IHISI subfunction handler to overwrite private SMRAM.

cvss

Technical severity, 0–10. One row per scoring source.

8.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–8.4

v3.18.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 2 · impact 5.8

v3.16.4mediumAV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.18.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Hsecondary · ENISA EU

v3.18.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:Hsecondaryexploitability 2 · impact 5.8

v3.17.7highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-371US

affected products (8)

Products and version ranges known to be affected.

Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
n/a n/a≤ n/aenisa_euvdEU
Insyde InsydeH2O5.3 → 5.37.03fstec_bduRU
Insyde InsydeH2O5.4 → 5.45.01fstec_bduRU
Insyde InsydeH2O5.5 → 5.53.01fstec_bduRU
insyde insydeh2o= 05.37.03nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
insyde insydeh2o= 05.45.01nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*
insyde insydeh2o= 05.53.01nvdUScpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0937Lenovo BIOS: Mehrere SchwachstellenDeutsch2023-04-11csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Lenovo BIOS ausnutzen, um beliebigen Programmcode auszuführen oder einen Denial of Service Zustand herbeizuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-04-11modified 2026-06-17

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+16125 more

references (7)

External citations — patches, advisories, analysis.

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