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CVE-2022-20708

Warnung

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Rv340 Firmware Version <= 1.0.03.24
   Cisco ≫ Rv340 Version-
Cisco ≫ Rv340w Firmware Version <= 1.0.03.24
   Cisco ≫ Rv340w Version-
Cisco ≫ Rv345 Firmware Version <= 1.0.03.24
   Cisco ≫ Rv345 Version-
Cisco ≫ Rv345p Firmware Version <= 1.0.03.24
   Cisco ≫ Rv345p Version-

03.03.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

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

Schwachstelle

A vulnerability 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, or cause a denial of service (DoS).

Beschreibung

Apply updates per vendor instructions.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 11.2% 0.932
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 8 2.1 5.9
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 10 10 10
AV:N/AC:L/Au:N/C:C/I:C/A:C
psirt@cisco.com 10 3.9 6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE-121 Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.