CVE-2020-8234
CWE-613Published: August 21, 2020· Updated: Jun 17, 2026
Official 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.
Technical Analysis
CVE-2020-8234 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (6)
Quick Facts
Related CVEs (CWE-613)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-8234 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts