csirt@kutim:~/threat-intel/cve/CVE-2021-40125

Katalog CVE

CVSS 6.5 · Medium EPSS 1,0%

Kerentanan Use After Free pada cisco secure firewall threat defense, cisco adaptive security appliance software +8 lainnya. Skor CVSS 3.1 6.5 (Medium) menurut NVD.

Deskripsi (NVD)

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. This vulnerability is due to improper control of a resource. An attacker with the ability to spoof a trusted IKEv2 site-to-site VPN peer and in possession of valid IKEv2 credentials for that peer could exploit this vulnerability by sending malformed, authenticated IKEv2 messages to an affected device. A successful exploit could allow the attacker to trigger a reload of the device.

Rincian

Terbit di NVD
27 Oktober 2021
Terakhir diubah
11 Agustus 2026
Status NVD
Modified
CVSS 3.1
6.5 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-416: Use After Free
CWE-400: Uncontrolled Resource Consumption
EPSS (30 hari)
1,0% peluang dieksploitasi; lebih tinggi dari 62,5% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
cisco secure firewall threat defense Semua versi sebelum 6.4.0.13
cisco secure firewall threat defense Versi 6.6.0 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 9.8.0 hingga sebelum 9.8.4.40
cisco adaptive security appliance software Versi 9.9.0 hingga sebelum 9.12.4.30
cisco adaptive security appliance software Versi 9.14.0 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
cisco asa 5512-x firmware Versi 009.016(001.025)
cisco asa 5505 firmware Versi 009.016(001.025)
cisco asa 5515-x firmware Versi 009.016(001.025)
cisco asa 5525-x firmware Versi 009.016(001.025)
cisco asa 5545-x firmware Versi 009.016(001.025)
cisco asa 5555-x firmware Versi 009.016(001.025)
cisco asa 5580 firmware Versi 009.016(001.025)
cisco asa 5585-x firmware Versi 009.016(001.025)

> 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.