CVE-2022-20703

Katalog CVE

CVSS 8.0 · High KEV · sudah dieksploitasi EPSS 9,2%

Kerentanan Stack-based Buffer Overflow pada cisco rv340 firmware, cisco rv340w firmware +7 lainnya. Skor CVSS 3.1 8.0 (High) menurut NVD. Masuk katalog KEV CISA pada 3 Maret 2022, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.

Rincian

Terbit di NVD

10 Februari 2022

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

8.0 (High), sumber NVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-121: Stack-based Buffer Overflow
CWE-295: Improper Certificate Validation

EPSS (30 hari)

9,2% peluang dieksploitasi; lebih tinggi dari 95,2% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

Masuk KEV

3 Maret 2022

Tenggat CISA

17 Maret 2022 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20703 pemerintah AS
• https://www.zerodayinitiative.com/advisories/ZDI-22-408/ advisory pihak ketiga · vdb entry
• https://www.zerodayinitiative.com/advisories/ZDI-22-413/ advisory pihak ketiga · vdb entry