CVE-2020-8234
9.8
CRITICAL · CVSS 3.1 · EPSS 3.4% (pctl 89)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A vulnerability exists in The EdgeMax EdgeSwitch firmware <v1.9.1 where the EdgeSwitch legacy web interface SIDSSL cookie for admin can be guessed, enabling the attacker to obtain high privileges and get a root shell by a Command injection.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.41% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-613 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-08-21 |
| Last modified | 2026-06-17 |
Affected (12)
| Vendor | Product |
|---|---|
| ui | edgemax firmware |
| ui | ep-s16 |
| ui | es-12f |
| ui | es-16-150w |
| ui | es-16-xg |
| ui | es-24-250w |
| ui | es-24-500w |
| ui | es-24-lite |
| ui | es-48-500w |
| ui | es-48-750w |
| ui | es-48-lite |
| ui | es-8-150w |
References
- https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695c%2C
- https://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821%2C
- https://www.ui.com/download/edgemax
- https://community.ui.com/releases/EdgeMAX-EdgeSwitch-Firmware-v1-9-1-v1-9-1/8a87dfc5-70f5-4055-8d67-570db1f5695c%2C
- https://community.ui.com/releases/Security-advisory-bulletin-014-014/1c32c056-2c64-4e60-ac23-ce7d8f387821%2C
- https://www.ui.com/download/edgemax
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