Vulnerability in Advantech R-Seenet
CVE-2021-21804
A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary PHP code execution. An attacker can send a crafted HTTP request to trigger this vulnerability.
EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Advantech R-seenet — versions 2.4.12
- N/a Advantech — versions Advantech R-SeeNet 2.4.12 (20.10.2020)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21804?
- CVE-2021-21804 is a critical-severity vulnerability in Advantech R-Seenet, classified under PHP Remote File Inclusion. CVSS score: 9.8/10. Published 2021-07-16.
- How severe is CVE-2021-21804?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-21804 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.