CVE-2020-8863
CVSS V2 High 8.3
CVSS V3 High 8.8
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.
Overview
- CVE ID
- CVE-2020-8863
- Assigner
- zdi-disclosures@trendmicro.com
- Vulnerability Status
- Analyzed
- Published Version
- 2020-03-23T21:15:12
- Last Modified Date
- 2021-04-23T17:53:16
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:dlink:dir-878_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.20b03 | |
| cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dir-882_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10b04 | |
| cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:dlink:dir-867_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.10b04 | |
| cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:A/AC:L/Au:N/C:C/I:C/A:C
- Access Vector
- ADJACENT_NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 8.3
- Severity
- HIGH
- Exploitability Score
- 6.5
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- ADJACENT_NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-8863 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8863 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:28 | Added to TrackCVE | |||
| 2022-12-04 13:18:30 | 2020-03-23T21:15Z | 2020-03-23T21:15:12 | CVE Published Date | updated |
| 2022-12-04 13:18:30 | 2021-04-23T17:53:16 | CVE Modified Date | updated | |
| 2022-12-04 13:18:30 | Analyzed | Vulnerability Status | updated |