8.8
HIGH
CVE-2020-8863
D-Link D-Link Router Authentication Bypass Vulnerability
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.

INFO

Published Date :

March 23, 2020, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 5:39 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2020-8863 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-8863 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Dlink dir-867_firmware
2 Dlink dir-878_firmware
3 Dlink dir-882_firmware
4 Dlink dir-878
5 Dlink dir-882
6 Dlink dir-867
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8863.

URL Resource
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-267/ Third Party Advisory VDB Entry
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-267/ Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总

Updated: 2 months, 2 weeks ago
41 stars 16 fork 16 watcher
Born at : Jan. 11, 2021, 2:08 a.m. This repo has been linked 190 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8863 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8863 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-20-267/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Apr. 23, 2021

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Mar. 25, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 No Types Assigned https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157 Third Party Advisory
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-20-267/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-20-267/ Third Party Advisory, VDB Entry
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-878_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.20b03 OR cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-882_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.10b04 OR cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:dlink:dir-867_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.10b04 OR cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.23 }} -0.01%

score

0.60772

percentile

CVSS31 - Vulnerability Scoring System
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