CVE-2021-2351

Katalog CVE

CVSS 8.3 · High EPSS 2,4%

Kerentanan Use of a Broken or Risky Cryptographic Algorithm pada oracle advanced networking option, oracle agile engineering data management +24 lainnya. Skor CVSS 3.1 8.3 (High) menurut oracle.com.

Deskripsi (NVD)

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 12.1.0.2, 12.2.0.1 and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Advanced Networking Option, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Advanced Networking Option. Note: The July 2021 Critical Patch Update introduces a number of Native Network Encryption changes to deal with vulnerability CVE-2021-2351 and prevent the use of weaker ciphers. Customers should review: "Changes in Native Network Encryption with the July 2021 Critical Patch Update" (Doc ID 2791571.1). CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

Rincian

Terbit di NVD

21 Juli 2021

Terakhir diubah

25 Agustus 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-327: Use of a Broken or Risky Cryptographic Algorithm
CWE-384: Session Fixation

EPSS (30 hari)

2,4% peluang dieksploitasi; lebih tinggi dari 83,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 248 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://www.oracle.com/security-alerts/cpuapr2022.html patch · advisory vendor
• https://www.oracle.com/security-alerts/cpujan2022.html patch · advisory vendor
• https://www.oracle.com/security-alerts/cpujan2023.html advisory vendor
• https://www.oracle.com/security-alerts/cpujul2021.html patch · advisory vendor
• https://www.oracle.com/security-alerts/cpujul2022.html advisory vendor
• https://www.oracle.com/security-alerts/cpuoct2021.html patch · advisory vendor
• http://packetstormsecurity.com/files/165255/Oracle-Database-Protection-Mechanism-Bypass.html exploit · advisory pihak ketiga · vdb entry
• http://packetstormsecurity.com/files/165258/Oracle-Database-Weak-NNE-Integrity-Key-Derivation.html exploit · advisory pihak ketiga · vdb entry
• http://seclists.org/fulldisclosure/2021/Dec/19 exploit · mailing list · advisory pihak ketiga
• http://seclists.org/fulldisclosure/2021/Dec/20 exploit · mailing list · advisory pihak ketiga