Vulnerability Details : CVE-2022-20708
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.
Vulnerability category: Execute codeDenial of service
Products affected by CVE-2022-20708
- cpe:2.3:o:cisco:rv340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:rv340w_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:rv345_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:rv345p_firmware:*:*:*:*:*:*:*:*
CVE-2022-20708 is in the CISA Known Exploited Vulnerabilities Catalog
CISA vulnerability name:
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
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 ca
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2022-20708
Added on
2022-03-03
Action due date
2022-03-17
Exploit prediction scoring system (EPSS) score for CVE-2022-20708
0.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 66 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-20708
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
10.0
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
3.9
|
6.0
|
Cisco Systems, Inc. | |
8.0
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.1
|
5.9
|
NIST | 2024-07-24 |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
10.0
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
3.9
|
6.0
|
Cisco Systems, Inc. | 2024-07-24 |
CWE ids for CVE-2022-20708
-
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.Assigned by: nvd@nist.gov (Primary)
-
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).Assigned by: ykramarz@cisco.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-20708
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
Cisco Small Business RV Series Routers VulnerabilitiesVendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-22-417/
ZDI-22-417 | Zero Day InitiativeThird Party Advisory;VDB Entry
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