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CRITICAL CISA KEV

CVE-2019-18935

CVSS v3

9.8

CRITICAL

EPSS Score

93.6 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote code execution. (As of 2020.1.114, a default setting prevents the exploit. In 2019.3.1023, but not earlier versions, a non-default setting can prevent exploitation.)

CISA Known Exploited Vulnerability

Date Added
2021-11-03
Patch Due Date
2022-05-03
Ransomware Use
Known

Technical details

Published
2019-12-11
Exploit-DB
EDB-47793

Frequently asked questions

What is CVE-2019-18935?

Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote code execution. (As of 2020.1.114, a default setting prevents the exploit. In 2019.3.1023, but not earlier versions, a non-default setting can prevent exploitation.)

Is CVE-2019-18935 actively exploited?

Yes. CVE-2019-18935 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2019-18935?

CVE-2019-18935 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-18935 affecting your environment?

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