Is CVE-2020-8863 in the CISA KEV catalog?

No. CVE-2020-8863 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8863?

CVE-2020-8863 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2020-8863?

CVE-2020-8863 has an EPSS score of 76.73% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2020-8863?

No published fix for CVE-2020-8863 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2020-8863

HIGHEPSS 99th pctl

8.8

CVSS v3

NVD

Description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. 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 implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470.

CWE-303 CWE-287Improper Authentication

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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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

76.73%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-303 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-29357	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-32152	Medium	6.5	29%	-	-
CVE-2023-32148	Medium	6.5	27%	-	-
CVE-2022-20695	Critical	10.0	20%	-	-
CVE-2020-8861	High	8.8	6.5%	-	Fix

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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.