Vulnerability Details : CVE-2019-1923
A vulnerability in Cisco Small Business SPA500 Series IP Phones could allow a physically proximate attacker to execute arbitrary commands on the device. The vulnerability is due to improper input validation in the device configuration interface. An attacker could exploit this vulnerability by accessing the configuration interface, which may require a password, and then accessing the device's physical interface and inserting a USB storage device. A successful exploit could allow the attacker to execute arbitrary commands on the device in an elevated security context. At the time of publication, this vulnerability affected Cisco Small Business SPA500 Series IP Phones firmware releases 7.6.2SR5 and prior.
Vulnerability category: Input validation
Products affected by CVE-2019-1923
- cpe:2.3:o:cisco:spa501g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa502g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa504g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa508g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa509g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa512g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa514g_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa525g2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa500s_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:spa500ds_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-1923
0.21%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-1923
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
6.6
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
0.7
|
5.9
|
Cisco Systems, Inc. | |
|
6.6
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
0.7
|
5.9
|
NIST |
CWE ids for CVE-2019-1923
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
-
The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2019-1923
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717-spa500-command
Cisco Small Business SPA500 Series IP Phones Local Command Execution VulnerabilityVendor Advisory
-
http://www.securityfocus.com/bid/109294
Cisco Small Business SPA500 Series IP Phones CVE-2019-1923 Local Command Injection VulnerabilityThird Party Advisory;VDB Entry
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