CVE-2020-13464

CVSS V2 Low 1.9 CVSS V3 Medium 4.2

Description

The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the CPU or DMA module.

Overview

CVE ID
CVE-2020-13464

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-08-31T16:15:14

Last Modified Date
2021-07-21T11:39:23

Weakness Enumerations

CWE	URL
CWE-862	http://cwe.mitre.org/data/definitions/862.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:cksic:cks32f103_firmware:-:::::::*	1	OR
cpe:2.3:h:cksic:cks32f103:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:M/Au:N/C:N/I:P/A:N

Access Vector
LOCAL

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
1.9

Severity
LOW

Exploitability Score
3.4

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
PHYSICAL

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
NONE

Base Score
4.2

Base Severity
MEDIUM

Exploitability Score
0.5

Impact Score
3.6

References

Reference URL	Reference Tags
https://www.usenix.org/system/files/woot20-paper-obermaier.pdf	Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-13464
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13464

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:02:07				Added to TrackCVE
2022-12-04 21:44:45	2020-08-31T16:15Z	2020-08-31T16:15:14	CVE Published Date	updated
2022-12-04 21:44:45		2021-07-21T11:39:23	CVE Modified Date	updated
2022-12-04 21:44:45		Analyzed	Vulnerability Status	updated