Larvata Digital Technology Co. Ltd. FLYGO - Use of Incorrectly-Resolved Name or Reference-1

published 2021-08-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23786

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

The bulletin function of Flygo contains Insecure Direct Object Reference (IDOR) vulnerability. After being authenticated as a general user, remote attackers can manipulate the bulletin ID in specific Url parameters and access and modify bulletin particular content.

Patch / fix

fixed in 1

larvata flygo 1.91.1

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
NVD	2.0	5.5	AV:N/AC:L/Au:S/C:P/I:P/A:N

Affected products

Larvata Digital Technology Co. Ltd. FLYGO

Classification

Weakness

CWE-706 Use of Incorrectly-Resolved Name or Reference
CWE-639 Authorization Bypass Through User-Controlled Key

References

twcert.org.tw /tw/cp-132-4989-5d955-1.html
third-party-advisory

Sources

CVE List CVE-2021-37212
NVD CVE-2021-37212

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary