PT-2020-6818 · Samsung · Samsung Mobile Devices

Published 2020-11-03 · Updated 2025-10-30 · CVE-2021-25337

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Samsung Mobile Devices versions prior to SMR Mar-2021 Release 1

Description The issue is related to improper access control in the clipboard service of Samsung mobile devices. This allows untrusted applications to read or write certain local files. The vulnerability is associated with deficiencies in access control, which can be exploited by an attacker to gain read, modify, or delete access to files.

Recommendations For Samsung Mobile Devices versions prior to SMR Mar-2021 Release 1, update to SMR Mar-2021 Release 1 or later to resolve the issue. As a temporary workaround, consider restricting access to the clipboard service to minimize the risk of exploitation.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

CWE-264

Related Identifiers

BDU:2022-07367

CVE-2021-25337

Affected Products

Samsung Mobile Devices

References · 20

• https://nvd.nist.gov/vuln/detail/CVE-2021-25337 · Security Note
• https://security.samsungmobile.com · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-07367 · Security Note
• https://osv.dev/vulnerability/CVE-2021-25337 · Vendor Advisory
• https://t.me/pentestingnews/29852 · Telegram Post
• https://security.samsungmobile.com/securityUpdate.smsb · Security Note, Vendor Advisory
• https://t.me/cybersecuritytechnologies/7108 · Telegram Post
• https://t.me/true_secator/3686 · Telegram Post
• https://t.me/cvenotify/111442 · Telegram Post
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25337 · Note
• https://t.me/cibsecurity/24482 · Telegram Post
• https://t.me/freedomf0x/18248 · Telegram Post
• https://t.me/ckure/11920 · Telegram Post
• https://googleprojectzero.blogspot.com/2022/11/a-very-powerful-clipboard-samsung-in-the-wild-exploit-chain.html · Note