PT-2020-15110 · Changxiang · Changxiang 8 Plus

Published 2020-07-06 · Updated 2021-07-21 · CVE-2020-1837

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions ChangXiang 8 Plus versions earlier than 9.1.0.136(C00E121R1P6T8)

Description The device does not properly handle certain messages from the base station, allowing an attacker to craft a fake base station and launch an attack. Successful exploitation could cause a denial of signal service condition.

Recommendations For versions earlier than 9.1.0.136(C00E121R1P6T8), update to version 9.1.0.136(C00E121R1P6T8) or later to resolve the issue. As a temporary workaround, consider restricting access to the device's base station communication to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2020-1837

Affected Products

Changxiang 8 Plus

References · 4

• https://osv.dev/vulnerability/CVE-2020-1837 · Vendor Advisory
• https://huawei.com/en/psirt/security-advisories/huawei-sa-20200624-01-dos-en · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1837 · Security Note
• https://t.me/cvenotify/4874 · Telegram Post