CVE-2023-21839

Katalog CVE

CVSS 7.5 · High KEV · sudah dieksploitasi EPSS 99,9%

Kerentanan Deserialization of Untrusted Data pada oracle weblogic server. Skor CVSS 3.1 7.5 (High) menurut oracle.com. Masuk katalog KEV CISA pada 1 Mei 2023, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

Rincian

Terbit di NVD

18 Januari 2023

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.5 (High), sumber oracle.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-502: Deserialization of Untrusted Data
CWE-306: Missing Authentication for Critical Function

EPSS (30 hari)

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

Known Exploited Vulnerabilities (CISA)

Nama

Oracle WebLogic Server Unspecified Vulnerability

Masuk KEV

1 Mei 2023

Tenggat CISA

22 Mei 2023 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.oracle.com/security-alerts/cpujan2023.html patch · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-21839 pemerintah AS
• http://packetstormsecurity.com/files/172882/Oracle-Weblogic-PreAuth-Remote-Command-Execution.html exploit · advisory pihak ketiga · vdb entry