CVE-2019-18935 (GCVE-0-2019-18935)
Vulnerability from cvelistv5
Published
2019-12-11 00:00
Modified
2025-07-30 01:45
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Summary
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.)
References
cve@mitre.org http://packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.html Third Party Advisory, VDB Entry
cve@mitre.org http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html Exploit, Third Party Advisory, VDB Entry
cve@mitre.org https://codewhitesec.blogspot.com/2019/02/telerik-revisited.html Not Applicable
cve@mitre.org https://github.com/bao7uo/RAU_crypto Exploit, Third Party Advisory
cve@mitre.org https://github.com/noperator/CVE-2019-18935 Exploit, Third Party Advisory
cve@mitre.org https://know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-telerik-ui Exploit, Third Party Advisory
cve@mitre.org https://www.bleepingcomputer.com/news/security/us-federal-agency-hacked-using-old-telerik-bug-to-steal-data/ Press/Media Coverage
cve@mitre.org https://www.telerik.com/support/kb/aspnet-ajax/details/allows-javascriptserializer-deserialization Patch, Vendor Advisory
cve@mitre.org https://www.telerik.com/support/whats-new/aspnet-ajax/release-history/ui-for-asp-net-ajax-r1-2020-%28version-2020-1-114%29 Release Notes
cve@mitre.org https://www.telerik.com/support/whats-new/release-history Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.html Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 https://codewhitesec.blogspot.com/2019/02/telerik-revisited.html Not Applicable
af854a3a-2127-422b-91ae-364da2661108 https://github.com/bao7uo/RAU_crypto Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/noperator/CVE-2019-18935 Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-telerik-ui Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.bleepingcomputer.com/news/security/us-federal-agency-hacked-using-old-telerik-bug-to-steal-data/ Press/Media Coverage
af854a3a-2127-422b-91ae-364da2661108 https://www.telerik.com/support/kb/aspnet-ajax/details/allows-javascriptserializer-deserialization Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.telerik.com/support/whats-new/aspnet-ajax/release-history/ui-for-asp-net-ajax-r1-2020-%28version-2020-1-114%29 Release Notes
af854a3a-2127-422b-91ae-364da2661108 https://www.telerik.com/support/whats-new/release-history Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2021-11-03

Due date: 2022-05-03

Required action: Apply updates per vendor instructions.

Used in ransomware: Known

Notes: https://nvd.nist.gov/vuln/detail/CVE-2019-18935

Show details on NVD website

To clipboard 

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      "cveMetadata": "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2019-18935\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"assignerShortName\": \"mitre\", \"dateUpdated\": \"2025-07-30T01:45:52.791Z\", \"dateReserved\": \"2019-11-13T00:00:00.000Z\", \"datePublished\": \"2019-12-11T00:00:00.000Z\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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