High severity · published Mar 21, 2021
CVE-2021-28961
applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests
8.8
CVSS
1.7%
EPSS
No
On KEV
Description
applications/luci-app-ddns/luasrc/model/cbi/ddns/detail.lua in the DDNS package for OpenWrt 19.07 allows remote authenticated users to inject arbitrary commands via POST requests.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openwrt · Openwrt
19.07.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28961
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28961
Patch
https://github.com/openwrt/luci/commit/9df7ea4d66644df69fcea18b36bc465912ffc
Patch
https://openwrt.org/advisory/2021-08-01-3
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