CVE-2021-21923 json
A specially-crafted HTTP request can lead to SQL injection.
published 2021-12-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9094
- cvss
- 7.7
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
A specially-crafted HTTP request can lead to SQL injection. An attacker can make authenticated HTTP requests to trigger this vulnerability at ‘company_filter’ parameter with the administrative account or through cross-site request forgery.
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2021-1365 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.7 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- n/a Advantech
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2021-1365
exploit, third-party-advisory
Sources
- CVE List CVE-2021-21923
- NVD CVE-2021-21923
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