CVE-2021-21915 json
An exploitable SQL injection vulnerability exist in the ‘group_list’ page of the Advantech R-SeeNet 2.4.15 (30.07.2021).
published 2021-12-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9086
- cvss
- 7.7
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
An exploitable SQL injection vulnerability exist in the ‘group_list’ page of the Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted HTTP request at ‘company_filter’ parameter. An attacker can make authenticated HTTP requests to trigger this vulnerability. This can be done as any authenticated user or through cross-site request forgery.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-348-01 updated cvss 7.7
Advantech R-SeeNet
-
Advantech R-SeeNet <= 2.4.16affected: mitigation “Advantech recommends updating to Version 2.4.17 or later.” icr.advantech.cz
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.43% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2021-1363 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 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
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-2021-1363
exploit, third-party-advisory
Sources
- CVE List CVE-2021-21915
- NVD CVE-2021-21915
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.