Is CVE-2020-8861 in the CISA KEV catalog?

No. CVE-2020-8861 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8861?

CVE-2020-8861 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-8861?

CVE-2020-8861 has an EPSS score of 6.54% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8861?

Upgrade dap-1330 firmware to 1.10b01 or later.

CVE & CISA-KEV Catalog

CVE-2020-8861

HIGHEPSS 93th pctl

8.8

CVSS v3

NVD

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DAP-1330 1.10B01 BETA Wi-Fi range extenders. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper handling of cookies. An attacker can leverage this vulnerability to execute arbitrary code on the router. Was ZDI-CAN-9554.

CWE-303 CWE-287Improper Authentication

How to fix

Remediation Available

dap-1330 firmwareNVD

Affected:< 1.10b01Fixed in:1.10b01CVE-2020-8861derived 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 VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.54%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Vendor Advisory1

supportannouncement.us.dlink.com

Third-Party Advisory1

zerodayinitiative.com

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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.