Vulnerability Details : CVE-2020-3375
A vulnerability in Cisco SD-WAN Solution Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to information that they are not authorized to access, make changes to the system that they are not authorized to make, and execute commands on an affected system with privileges of the root user.
Vulnerability category: OverflowInput validation
Products affected by CVE-2020-3375
- cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:sd-wan:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe_sd-wan:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe_sd-wan:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe_sd-wan:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-3375
1.99%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-3375
| 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 | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
Cisco Systems, Inc. | |
|
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 |
CWE ids for CVE-2020-3375
-
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 performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2020-3375
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdbufof-h5f5VSeL
Cisco SD-WAN Solution Software Buffer Overflow VulnerabilityVendor Advisory
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