csirt@kutim:~/threat-intel/cve/CVE-2020-3561

Katalog CVE

CVSS 4.7 · Medium EPSS 1,3%

Kerentanan Improper Neutralization of CRLF Sequences ('CRLF Injection') pada cisco adaptive security appliance, cisco secure firewall threat defense +1 lainnya. Skor CVSS 3.1 4.7 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the Clientless SSL VPN (WebVPN) of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to inject arbitrary HTTP headers in the responses of the affected system. The vulnerability is due to improper input sanitization. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to conduct a CRLF injection attack, adding arbitrary HTTP headers in the responses of the system and redirecting the user to arbitrary websites.

Rincian

Terbit di NVD
21 Oktober 2020
Terakhir diubah
11 Agustus 2026
Status NVD
Modified
CVSS 3.1
4.7 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')
CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
EPSS (30 hari)
1,3% peluang dieksploitasi; lebih tinggi dari 69,4% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco adaptive security appliance Semua versi sebelum 9.6.4.35
cisco secure firewall threat defense Semua versi sebelum 6.3.0.6
cisco secure firewall threat defense Versi 6.4.0 hingga sebelum 6.4.0.10
cisco secure firewall threat defense Versi 6.5.0 hingga sebelum 6.5.0.5
cisco secure firewall threat defense Versi 6.6.0 hingga sebelum 6.6.1
cisco adaptive security appliance software Versi 9.8.0 hingga sebelum 9.8.4.20
cisco adaptive security appliance software Versi 9.9.0 hingga sebelum 9.9.2.80
cisco adaptive security appliance software Versi 9.10.0 hingga sebelum 9.10.1.43
cisco adaptive security appliance software Versi 9.12.0 hingga sebelum 9.12.3.9
cisco adaptive security appliance software Versi 9.13.0 hingga sebelum 9.13.1.10
cisco adaptive security appliance software Versi 9.14.0 hingga sebelum 9.14.1.10

> Data dari konfigurasi CPE 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.