Gabia Firstmall remote code execution vulnerability

published 2022-02-25 4y ago modified 2026-06-17 4mo ago also EUVD-2021-13411

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

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.

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Exploit prediction

1.27% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

Gabia Co., Ltd Firstmall

Classification

Weakness

CWE-20 Improper Input Validation

References

krcert.or.kr /krcert/secNoticeView.do?bulletin_writing_sequence=36469
third-party-advisory

Sources

CVE List CVE-2021-26617
NVD CVE-2021-26617

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