CVE-2021-34791

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

TLP:CLEAR

csirt@kutim:~/threat-intel/cve/CVE-2021-34791

Katalog CVE

CVSS 5.3 · Medium EPSS 1,1%

Kerentanan Improperly Implemented Security Check for Standard pada cisco adaptive security appliance, cisco secure firewall threat defense +9 lainnya. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections with a host located behind the ALG. For more information about these vulnerabilities, see the Details section of this advisory. Note: These vulnerabilities have been publicly discussed as NAT Slipstreaming.

Rincian

Terbit di NVD
27 Oktober 2021
Terakhir diubah
11 Agustus 2026
Status NVD
Modified
CVSS 3.1
5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-358: Improperly Implemented Security Check for Standard
CWE-20: Improper Input Validation
EPSS (30 hari)
1,1% peluang dieksploitasi; lebih tinggi dari 65,9% 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 6.4.0.12
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 6.7.0.2
cisco adaptive security appliance software Versi 9.12.0 hingga sebelum 9.12.4.18
cisco adaptive security appliance software Versi 9.13.0 hingga sebelum 9.14.2.15
cisco adaptive security appliance software Versi 9.15.0 hingga sebelum 9.15.1.15
cisco asa 5512-x firmware Versi 009.008
cisco asa 5512-x firmware Versi 009.015
cisco asa 5505 firmware Versi 009.008
cisco asa 5505 firmware Versi 009.015
cisco asa 5515-x firmware Versi 009.008
cisco asa 5515-x firmware Versi 009.015
cisco asa 5525-x firmware Versi 009.008
cisco asa 5525-x firmware Versi 009.015
cisco asa 5545-x firmware Versi 009.008
cisco asa 5545-x firmware Versi 009.015
cisco asa 5555-x firmware Versi 009.008
cisco asa 5555-x firmware Versi 009.015
cisco asa 5580 firmware Versi 009.008
cisco asa 5580 firmware Versi 009.015
cisco asa 5585-x firmware Versi 009.008
cisco asa 5585-x firmware Versi 009.015

> 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.