csirt@kutim:~/threat-intel/cve/CVE-2020-5929

Katalog CVE

CVSS 5.9 · Medium EPSS 1,1%

Kerentanan Observable Discrepancy pada f5 big-ip access policy manager, f5 big-ip advanced firewall manager +6 lainnya. Skor CVSS 3.1 5.9 (Medium) menurut NVD.

Deskripsi (NVD)

In versions 13.0.0-13.0.0 HF2, 12.1.0-12.1.2 HF1, and 11.6.1-11.6.2, BIG-IP platforms with Cavium Nitrox SSL hardware acceleration cards, a Virtual Server configured with a Client SSL profile, and using Anonymous (ADH) or Ephemeral (DHE) Diffie-Hellman key exchange and Single DH use option not enabled in the options list may be vulnerable to crafted SSL/TLS Handshakes that may result with a PMS (Pre-Master Secret) that starts in a 0 byte and may lead to a recovery of plaintext messages as BIG-IP TLS/SSL ADH/DHE sends different error messages acting as an oracle. Similar error messages when PMS starts with 0 byte coupled with very precise timing measurement observation may also expose this vulnerability.

Rincian

Terbit di NVD
25 September 2020
Terakhir diubah
17 Juni 2026
Status NVD
Modified
CVSS 3.1
5.9 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-203: Observable Discrepancy
EPSS (30 hari)
1,1% peluang dieksploitasi; lebih tinggi dari 64,4% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
f5 big-ip access policy manager Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip access policy manager Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip access policy manager Versi 11.6.2
f5 big-ip access policy manager Versi 12.1.2
f5 big-ip access policy manager Versi 12.1.2 hotfix1
f5 big-ip access policy manager Versi 13.0.0
f5 big-ip access policy manager Versi 13.0.0 hotfix1
f5 big-ip access policy manager Versi 13.0.0 hotfix2
f5 big-ip advanced firewall manager Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip advanced firewall manager Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip advanced firewall manager Versi 11.6.2
f5 big-ip advanced firewall manager Versi 12.1.2
f5 big-ip advanced firewall manager Versi 12.1.2 hotfix1
f5 big-ip advanced firewall manager Versi 13.0.0
f5 big-ip advanced firewall manager Versi 13.0.0 hotfix1
f5 big-ip advanced firewall manager Versi 13.0.0 hotfix2
f5 big-ip advanced web application firewall Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip advanced web application firewall Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip advanced web application firewall Versi 11.6.2
f5 big-ip advanced web application firewall Versi 12.1.2
f5 big-ip advanced web application firewall Versi 12.1.2 hotfix1
f5 big-ip advanced web application firewall Versi 13.0.0
f5 big-ip advanced web application firewall Versi 13.0.0 hotfix1
f5 big-ip advanced web application firewall Versi 13.0.0 hotfix2
f5 big-ip analytics Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip analytics Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip analytics Versi 11.6.2
f5 big-ip analytics Versi 12.1.2
f5 big-ip analytics Versi 12.1.2 hotfix1
f5 big-ip analytics Versi 13.0.0
f5 big-ip analytics Versi 13.0.0 hotfix1
f5 big-ip analytics Versi 13.0.0 hotfix2
f5 big-ip application acceleration manager Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip application acceleration manager Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip application acceleration manager Versi 11.6.2
f5 big-ip application acceleration manager Versi 12.1.2
f5 big-ip application acceleration manager Versi 12.1.2 hotfix1
f5 big-ip application acceleration manager Versi 13.0.0
f5 big-ip application acceleration manager Versi 13.0.0 hotfix1
f5 big-ip application acceleration manager Versi 13.0.0 hotfix2
f5 big-ip application security manager Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip application security manager Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip application security manager Versi 11.6.2
f5 big-ip application security manager Versi 12.1.2
f5 big-ip application security manager Versi 12.1.2 hotfix1
f5 big-ip application security manager Versi 13.0.0
f5 big-ip application security manager Versi 13.0.0 hotfix1
f5 big-ip application security manager Versi 13.0.0 hotfix2
f5 big-ip ddos hybrid defender Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip ddos hybrid defender Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip ddos hybrid defender Versi 11.6.2
f5 big-ip ddos hybrid defender Versi 12.1.2
f5 big-ip ddos hybrid defender Versi 12.1.2 hotfix1
f5 big-ip ddos hybrid defender Versi 13.0.0
f5 big-ip ddos hybrid defender Versi 13.0.0 hotfix1
f5 big-ip ddos hybrid defender Versi 13.0.0 hotfix2
f5 big-ip domain name system Versi 11.6.1 hingga sebelum 11.6.2
f5 big-ip domain name system Versi 12.1.0 hingga sebelum 12.1.2
f5 big-ip domain name system Versi 11.6.2
f5 big-ip domain name system Versi 12.1.2

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 112 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

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.