What is CVE-2021-26617?

CVE-2021-26617 is a high-severity vulnerability in Firstmall, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2022-02-25.

How severe is CVE-2021-26617?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Firstmall

CVE-2021-26617

This issues due to insufficient verification of the various input values from user’s input. The vulnerability allows remote attackers to execute malicious code in Firstmall via navercheckout_add function.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.013 (66.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Firstmall
Gabia Co., Ltd Firstmall — versions multilingual latest version
Microsoft Windows

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

vuln@krcert.or.kr (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-26617?: CVE-2021-26617 is a high-severity vulnerability in Firstmall, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2022-02-25.
How severe is CVE-2021-26617?: High severity. CVSS v3 base score is 8.1 out of 10.