Vulnerability Details : CVE-2020-27863
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10912.
Vulnerability category: BypassGain privilege
Products affected by CVE-2020-27863
- cpe:2.3:o:dlink:dsl-2888a_firmware:2.30_au:*:*:*:*:*:*:*
- cpe:2.3:o:dlink:dva-2800_firmware:2.30_au:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-27863
2.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-27863
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | AV:A/AC:L/Au:N/C:P/I:N/A:N |
6.5
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
Zero Day Initiative | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-27863
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Secondary)
-
The product requires authentication, but the product has an alternate path or channel that does not require authentication.Assigned by: zdi-disclosures@trendmicro.com (Primary)
References for CVE-2020-27863
-
https://www.zerodayinitiative.com/advisories/ZDI-20-1427/
ZDI-20-1427 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196
D-Link Technical SupportVendor Advisory
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