cisco sd-wan CVE-2021-1511 is a vulnerability in Cisco Sd Wan
Published on May 6, 2021

Cisco SD-WAN vEdge Software Buffer Overflow Vulnerabilities
Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2021-1511 can be exploited with network access, and requires small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Buffer Overflow Vulnerability?

The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

CVE-2021-1511 has been classified to as a Buffer Overflow vulnerability or weakness.


Products Associated with CVE-2021-1511

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Affected Versions

Cisco SD-WAN vEdge router Version n/a is affected by CVE-2021-1511

Exploit Probability

EPSS
0.80%
Percentile
73.74%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.