Openwrt
CVE-2021-28961
HIGH
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. This OS Command Injection vulnerability could allow attackers to execute arbitrary operating system commands on the host.
Technical ContextAI
This vulnerability is classified as OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. 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. Affected products include: Openwrt.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
In wlan service, there is a possible out of bounds write due to improper input validation. Rated critical severity (CVSS
An issue was discovered in OpenWrt 18.06.0 to 18.06.6 and 19.07.0, and LEDE 17.01.0 to 17.01.7. Rated high severity (CVS
cgi_handle_request in uhttpd in OpenWrt through 18.06.1 and LEDE through 17.01 has unauthenticated reflected XSS via the
In wlan service, there is a possible out of bounds write due to an incorrect bounds check. Rated critical severity (CVSS
An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1
An exploitable information leak vulnerability exists in the ustream-ssl library of OpenWrt, versions 18.06.4 and 15.05.1
Remote privilege escalation in Android WLAN AP driver via packet injection.
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local es
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local es
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local es
Remote code execution in OpenWrt's mDNS daemon (versions before 24.10.6 and 25.12.1) allows unauthenticated attackers to
Remote code execution in OpenWrt mdns daemon (versions before 24.10.6 and 25.12.1) allows unauthenticated attackers to c
Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
Leaving vuln.today