PT-2021-22488 · Nexto+1 · Nexto Xpress Xp340+14

D. Teuchert + 1 · Published 2021-08-23 · Updated 2021-08-26 · CVE-2021-39243

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Nexto NX3003 version 1.8.11.0 Nexto NX3004 version 1.8.11.0 Nexto NX3005 version 1.8.11.0 Nexto NX3010 version 1.8.3.0 Nexto NX3020 version 1.8.3.0 Nexto NX3030 version 1.8.3.0 Nexto NX5100 version 1.8.11.0 Nexto NX5101 version 1.8.11.0 Nexto NX5110 version 1.1.2.8 Nexto NX5210 version 1.1.2.8 Nexto Xpress XP300 version 1.8.11.0 Nexto Xpress XP315 version 1.8.11.0 Nexto Xpress XP325 version 1.8.11.0 Nexto Xpress XP340 version 1.8.11.0 Hadron Xtorm HX3040 version 1.7.58.0

Description Cross-Site Request Forgery (CSRF) exists on Altus Nexto, Nexto Xpress, and Hadron Xtorm devices via any CGI endpoint.

Recommendations As a temporary workaround, consider disabling access to any CGI endpoint until a patch is available. Restrict access to the affected devices to minimize the risk of exploitation. Avoid using the affected devices until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-39243

Affected Products

Hadron Xtorm Hx3040

Nexto Nx3003

Nexto Nx3004

Nexto Nx3005

Nexto Nx3010

Nexto Nx3020

Nexto Nx3030

Nexto Nx5100

Nexto Nx5101

Nexto Nx5110

Nexto Nx5210

Nexto Xpress Xp300

Nexto Xpress Xp315

Nexto Xpress Xp325

Nexto Xpress Xp340

References · 6

• 🔥 http://seclists.org/fulldisclosure/2021/Aug/21 · Exploit
• https://osv.dev/vulnerability/CVE-2021-39243 · Vendor Advisory
• https://altus.com.br · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39243 · Security Note
• https://t.me/cibsecurity/27677 · Telegram Post
• https://t.me/cvenotify/20196 · Telegram Post