CVE-2019-18935

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 99,7%

Kerentanan Deserialization of Untrusted Data pada telerik ui for asp.net ajax. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

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.)

Rincian

Terbit di NVD

11 Desember 2019

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-502: Deserialization of Untrusted Data

EPSS (30 hari)

99,7% peluang dieksploitasi; lebih tinggi dari 99,9% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

3 Mei 2022 (untuk instansi federal AS)

Ransomware

Tercatat dipakai dalam kampanye ransomware

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.telerik.com/support/kb/aspnet-ajax/details/allows-javascriptserializer-deserialization patch · advisory vendor
• https://www.telerik.com/support/whats-new/release-history release notes · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18935 pemerintah AS
• http://packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.html advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html exploit · advisory pihak ketiga · vdb entry
• https://github.com/bao7uo/RAU_crypto exploit · advisory pihak ketiga
• https://github.com/noperator/CVE-2019-18935 exploit · advisory pihak ketiga
• https://know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-telerik-ui exploit · advisory pihak ketiga
• https://codewhitesec.blogspot.com/2019/02/telerik-revisited.html not applicable
• https://www.bleepingcomputer.com/news/security/us-federal-agency-hacked-using-old-telerik-bug-to-steal-data/ press/media coverage
• https://www.telerik.com/support/whats-new/aspnet-ajax/release-history/ui-for-asp-net-ajax-r1-2020-%28version-2... release notes