CVE-2020-12256 is a reflected Cross-Site Scripting (XSS) vulnerability affecting rConfig version 3.9.4. It arises from improper validation of the deviceId GET parameter in devicemgmnt.php, allowing an attacker to inject arbitrary JavaScript. This vulnerability is rated Medium severity (CVSS 5.4), indicating a low-complexity attack requiring user interaction, with potential impacts on confidentiality and integrity. While not listed in CISA's KEV catalog, a Nuclei template exists for detection, but there is no public exploit code (Metasploit, ExploitDB) or significant community discussion reported.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.9.4CPE matchmatch criteria | cpe:2.3:a:rconfig:rconfig:3.9.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.