PT-2021-19481 · Npupnp · Npupnp

Gabriel Corona · Published 2021-04-25 · Updated 2021-05-05 · CVE-2021-31718

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions npupnp versions prior to 4.1.4

Description The issue affects the embedded web server in npupnp, including UPnP SOAP and GENA endpoints, due to DNS rebinding. This can lead to remote code execution.

Recommendations For versions prior to 4.1.4, update to version 4.1.4 or later to resolve the issue. As a temporary workaround, consider restricting access to the embedded web server to minimize the risk of exploitation.

Fix

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

CVE-2021-31718

Affected Products

Npupnp

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-31718 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31718 · Vendor Advisory
• https://framagit.org/medoc92/npupnp · Note
• https://lesbonscomptes.com/upmpdcli/npupnp-doc/libnpupnp.html · Note
• https://t.me/cvenotify/13685 · Telegram Post
• http://openwall.com/lists/oss-security/2021/04/25/2 · Note