Calero VeraSMART < 2022 R1 Static IIS Machine Keys Enable ViewState RCE
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.3epss 2.8%
from disclosure to weapon76 days
Published on NVDFeb 13
1st PoC+76d
exploitation probability
2.8%top 15% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Calero VeraSMART versions prior to 2022 R1 use static ASP.NET/IIS machineKey values configured for the VeraSMART web application and stored in C:\\Program Files (x86)\\Veramark\\VeraSMART\\WebRoot\\web.config. An attacker who obtains these keys can craft a valid ASP.NET ViewState payload that passes integrity validation and is accepted by the application, resulting in server-side deserialization and remote code execution in the context of the IIS application.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Calero · VeraSMARTpublic PoCs found — 1
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