4.6
MEDIUM
CVE-2023-20526
Citrix ASP Bootloader Memory Information Disclosure Vulnerability
Description
Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.
INFO
Published Date :
Nov. 14, 2023, 7:15 p.m.
Last Modified :
June 18, 2024, 7:15 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
0.9
Affected Products
The following products are affected by CVE-2023-20526
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-20526.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-20526 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-20526 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 18, 2024
Action Type Old Value New Value Changed Description Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality. Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality. Added CVSS V3.1 Advanced Micro Devices Inc. AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2024
Action Type Old Value New Value Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 [No types assigned] -
Initial Analysis by [email protected]
Nov. 27, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 Vendor Advisory Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7001_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7001:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7251_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7261_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7281_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7281:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7301_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7301:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7351_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7351:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7351p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7351p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7371_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7401_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7401p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7401p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7451_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7501_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7551_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7551p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7601_firmware:*:*:*:*:*:*:*:* versions up to (excluding) naplespi_1.0.0.h OR cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7302p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7352_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7402_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7452_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7502_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7502p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7532_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7542_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7552_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7642_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7662_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7702_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7702p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:* versions up to (excluding) romepi_1.0.0.d OR cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7663p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7663p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7643p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7643p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7473x:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7303p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7303p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7303_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7303:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7203p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7203p:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_7203_firmware:*:*:*:*:*:*:*:* versions up to (excluding) milanpi_1.0.0.5 OR cpe:2.3:h:amd:epyc_7203:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2990wx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) summitpi-sp3r2_1.1.0.7 OR cpe:2.3:h:amd:ryzen_threadripper_2990wx:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2970wx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) summitpi-sp3r2_1.1.0.7 OR cpe:2.3:h:amd:ryzen_threadripper_2970wx:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2950x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) summitpi-sp3r2_1.1.0.7 OR cpe:2.3:h:amd:ryzen_threadripper_2950x:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_2920x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) summitpi-sp3r2_1.1.0.7 OR cpe:2.3:h:amd:ryzen_threadripper_2920x:-:*:*:*:*:*:*:* -
CVE Received by [email protected]
Nov. 14, 2023
Action Type Old Value New Value Added Description Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality. Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 [No types assigned] Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-20526 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-20526
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.01%
score
0.18662
percentile
CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability