CVE-2021-34992: orckestra c1 cms

csirt@kutim:~/threat-intel/cve/CVE-2021-34992

CVSS 8.8 · High EPSS 4,3%

Kerentanan Deserialization of Untrusted Data pada orckestra c1 cms. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS 6.10. Authentication is required to exploit this vulnerability. The specific flaw exists within Composite.dll. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-14740.

Rincian

Terbit di NVD: 15 November 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/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): 4,3% peluang dieksploitasi; lebih tinggi dari 90,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
orckestra	c1 cms	Versi 6.10

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/Orckestra/C1-CMS-Foundation/releases/tag/v6.11 patch · release notes · advisory pihak ketiga
https://www.zerodayinitiative.com/advisories/ZDI-21-1304/ advisory pihak ketiga · vdb entry

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.