The swctrl service is used to detect and remotely manage PLANET Technology devices. For certain switch models, the authentication tokens used during communication with this service are encoded user passwords. Due to insufficient strength, unauthorized remote attackers who intercept the packets can directly crack them to obtain plaintext passwords.
Conclusion & alert: CVE-2024-8455 is rated Moderate Risk (45.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.12% | 0.15% | +0.03% |
| 2 | 2025-11-18 | 0.21% | 0.12% | -0.09% |
| 3 | 2025-11-11 | — | 0.21% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| planet | gs-4210-24p2s_firmware | < 3.305b240802 | cpe:2.3:o:planet:gs-4210-24p2s_firmware:*:*:*:*:*:*:*:* |
| planet | gs-4210-24pl4c_firmware | < 2.305b240719 | cpe:2.3:o:planet:gs-4210-24pl4c_firmware:*:*:*:*:*:*:*:* |
| planet | igs-5225-4up1t2s_firmware | — | cpe:2.3:o:planet:igs-5225-4up1t2s_firmware:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/en/cp-139-8060-f3955-2.html | Third Party Advisory |
| https://www.twcert.org.tw/tw/cp-132-8059-bde5f-1.html | Third Party Advisory |