Medium severity · published Oct 25, 2021
CVE-2021-34860
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 1.01rc001 routers
6.5
CVSS
1.5%
EPSS
No
On KEV
Description
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the getpage parameter provided to the webproc endpoint. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose information in the context of root. Was ZDI-CAN-12103.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
Dap-2020 Firmware · Dlink
through 1.01 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34860
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34860
Patch
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-976/
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