CVE-2023-23583

highpriority · track · 41OT risk · elevatedEPSS 0.013 · 70 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.28% (70th) EPSS

CVSS 7.8 · high

Is it mine?

315 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.18.8highAV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · secure@intel.comexploitability 2 · impact 6

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

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

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1281USCWE-1281USCWE-264USCWE-276US

exploits (1)

Public proof-of-concept and weaponised exploit code.

Mav3r1ck0x1/CVE-2023-23583-Reptar-This script can help determine the CPU ID for the processor of your system, please note that I have not added every CPU ID to this script, edit as needed.PoC · poc_in_github

affected products (315)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Citrix Systems Hypervisorall versionscert_bundDEcpe:/o:citrix:hypervisor:-
Citrix Systems XenServerall versionscert_bundDEcpe:/a:citrix:xenserver:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Dell NetWorker vProxy OVA <19.9.0.5all versionscert_bundDE
Dell NetWorker vProxy<19.10all versionscert_bundDE
Dell NetWorker vProxy<19.9.0.4all versionscert_bundDE
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
Intel Prozessorall versionscert_bundDEcpe:/h:intel:intel_prozessor:-
Intel Prozessor <Radeon RX Vega M 23.10.01.46all versionscert_bundDE
Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Dell Networker≤ vProxy OVA <19.9.0.5cert_bundDE
Dell Networker≤ vProxy<19.10cert_bundDE

showing 20 of 315

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2906Intel Prozessoren: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in verschiedenen Intel Prozessoren ausnutzen, um einen Denial of Service Angriff durchzuführen, beliebigen Programmcode auszuführen, seine Privilegien zu erweitern oder Informationen offenzulegen.

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 CVE.org MITRE

published 2023-11-14modified 2026-06-17

references (32)

External citations — patches, advisories, analysis.

scry

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