CVE-2021-22859 json
EIC e-document system - SQL Injection
published 2021-03-17 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9994
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
The users’ data querying function of EIC e-document system does not filter the special characters which resulted in remote attackers can inject SQL syntax and execute arbitrary commands without privilege.
Exploit prediction
3.75% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/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
- Excellent Infotek Corporation e-document system
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
twcert.org.tw
/tw/cp-132-4517-51e25-1.html
third-party-advisory
-
gist.github.com
/tonykuo76/807c838b75879b0d327782dfcd2c3bea
third-party-advisory
-
chtsecurity.com
/news/c974fd28-c19b-4003-82f3-818904057496
third-party-advisory
Sources
- CVE List CVE-2021-22859
- NVD CVE-2021-22859
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.