Is CVE-2020-8234 in the CISA KEV catalog?

No. CVE-2020-8234 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8234?

CVE-2020-8234 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-8234?

CVE-2020-8234 has an EPSS score of 3.41% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8234?

Upgrade edgemax firmware to 1.9.1 or later.

CVE & CISA-KEV Catalog

CVE-2020-8234

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

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.

CWE-613

How to fix

Remediation Available

edgemax firmwareNVD

Affected:< 1.9.1Fixed in:1.9.1CVE-2020-8234derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.41%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Product1

ui.com

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.