PT-2022-2878 · Moxa · Moxa Nport 5110

Jens Nielsen · Published 2022-06-10 · Updated 2022-09-06 · CVE-2022-2043

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Moxa NPort 5110 version 2.10

Description The issue is related to an out-of-bounds write vulnerability in the Moxa NPort 5110 asynchronous server. This vulnerability can be exploited by a remote attacker to cause the device to become unresponsive, resulting in a denial of service.

Recommendations For version 2.10, update the firmware to a version that addresses the out-of-bounds write vulnerability to prevent the device from becoming unresponsive due to exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2022-03436

CVE-2022-2043

Affected Products

Moxa Nport 5110

References · 8

• https://osv.dev/vulnerability/CVE-2022-2043 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-2043 · Security Note
• https://bdu.fstec.ru/vul/2022-03436 · Security Note
• https://cisa.gov/uscert/ics/advisories/icsa-22-207-04 · Note
• https://t.me/cibsecurity/49127 · Telegram Post
• https://t.me/true_secator/3232 · Telegram Post
• https://moxa.com/en/support/product-support/security-advisory/nport5110-series-vulnerabilities · Note
• https://icsrange.com/blog/two-moxa-zerodays · Note