CVE-2021-40117

cisco adaptive security appliance, cisco secure firewall threat defense, cisco adaptive security appliance software +8 lainnya

TLP:CLEAR

csirt@kutim:~/threat-intel/cve/CVE-2021-40117

Katalog CVE

CVSS 7.5 · High EPSS 1,5%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada cisco adaptive security appliance, cisco secure firewall threat defense +9 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability in SSL/TLS message handler for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability exists because incoming SSL/TLS packets are not properly processed. An attacker could exploit this vulnerability by sending a crafted SSL/TLS packet to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

Rincian

Terbit di NVD
27 Oktober 2021
Terakhir diubah
11 Agustus 2026
Status NVD
Modified
CVSS 3.1
7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-400: Uncontrolled Resource Consumption
EPSS (30 hari)
1,5% peluang dieksploitasi; lebih tinggi dari 74,3% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco adaptive security appliance Semua versi sebelum 9.8.4.40
cisco secure firewall threat defense Semua versi sebelum 6.2.3.17
cisco secure firewall threat defense Versi 6.3.0 hingga sebelum 6.4.0.13
cisco secure firewall threat defense Versi 6.5.0 hingga sebelum 6.6.5
cisco secure firewall threat defense Versi 6.7.0 hingga sebelum 6.7.0.3
cisco secure firewall threat defense Versi 7.0.0 hingga sebelum 7.0.1
cisco adaptive security appliance software Versi 9.9.0 hingga sebelum 9.12.4.26
cisco adaptive security appliance software Versi 9.13.0 hingga sebelum 9.14.3.9
cisco adaptive security appliance software Versi 9.15.0 hingga sebelum 9.15.1.17
cisco adaptive security appliance software Versi 9.16.0 hingga sebelum 9.16.2.3
cisco asa 5512-x firmware Versi 009.009(002.085)
cisco asa 5512-x firmware Versi 009.014(002.106)
cisco asa 5505 firmware Versi 009.009(002.085)
cisco asa 5505 firmware Versi 009.014(002.106)
cisco asa 5515-x firmware Versi 009.009(002.085)
cisco asa 5515-x firmware Versi 009.014(002.106)
cisco asa 5525-x firmware Versi 009.009(002.085)
cisco asa 5525-x firmware Versi 009.014(002.106)
cisco asa 5545-x firmware Versi 009.009(002.085)
cisco asa 5545-x firmware Versi 009.014(002.106)
cisco asa 5555-x firmware Versi 009.009(002.085)
cisco asa 5555-x firmware Versi 009.014(002.106)
cisco asa 5580 firmware Versi 009.009(002.085)
cisco asa 5580 firmware Versi 009.014(002.106)
cisco asa 5585-x firmware Versi 009.009(002.085)
cisco asa 5585-x firmware Versi 009.014(002.106)

> 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.