CVE-2020-3597 Vulnerability Analysis & Exploit Details

Status: Modified - Last modified: 07 Nov 2023, 03:22 UTC Published: 08 Oct 2020, 05:15 UTC

CVE-2020-3597
Vulnerability Scoring

5.4
/10

Attack Complexity Details

  • Attack Complexity: Low Impact
  • Attack Vector: NETWORK
  • Privileges Required: None
  • Scope: UNCHANGED
  • User Interaction: REQUIRED

CIA Impact Definition

  • Confidentiality:
  • Integrity: Low Impact
  • Availability: Low Impact

CVE-2020-3597 Vulnerability Summary

A vulnerability in the configuration restore feature of Cisco Nexus Data Broker software could allow an unauthenticated, remote attacker to perform a directory traversal attack on an affected device. The vulnerability is due to insufficient validation of configuration backup files. An attacker could exploit this vulnerability by persuading an administrator to restore a crafted configuration backup file. A successful exploit could allow the attacker to overwrite arbitrary files that are accessible through the affected software on an affected device.

Access Complexity Graph

Above is the Access Complexity Graph for CVE-2020-3597. It helps visualize the difficulty level and privilege requirements needed to exploit this vulnerability, providing a quick assessment of its exploitation feasibility.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2020-3597, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

Impact Analysis

Below is the Impact Analysis for CVE-2020-3597, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.129% (probability of exploit)

EPSS Percentile: 48.92% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 51.08% of others.

CVE-2020-3597 Detailed Information and External References

References

CWE

CWE-23

CAPEC

  • Relative Path Traversal CAPEC-139 An attacker exploits a weakness in input validation on the target by supplying a specially constructed path utilizing dot and slash characters for the purpose of obtaining access to arbitrary files or resources. An attacker modifies a known path on the target in order to reach material that is not available through intended channels. These attacks normally involve adding additional path separators (/ or \) and/or dots (.), or encodings thereof, in various combinations in order to reach parent directories or entirely separate trees of the target's directory structure.
  • Manipulating Web Input to File System Calls CAPEC-76 An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.

Vulnerable Configurations

  • cpe:2.3:a:cisco:nexus_data_broker:3.9\(0\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:nexus_data_broker:3.9\(0\):*:*:*:*:*:*:*

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

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