CVE-2021-1481 Vulnerability Analysis & Exploit Details

CVE-2021-1481
Vulnerability Scoring

4.3
/10
Medium Risk

The vulnerability CVE-2021-1481 could compromise system integrity but typically requires user interaction to be exploited.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2021-1481 Details

Status: Analyzed

Last updated: 🕝 04 Aug 2025, 14:38 UTC
Originally published on: 🕔 15 Nov 2024, 17:15 UTC

Time between publication and last update: 261 days

CVSS Release: version 3

CVSS3 Source

psirt@cisco.com

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2021-1481 Vulnerability Summary

CVE-2021-1481: A vulnerability in the web-based management interface of Cisco SD-WAN vManage Software could allow an authenticated, remote attacker to conduct Cypher query language injection attacks on an affected system. This vulnerability is due to insufficient input validation by the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to the interface of an affected system. A successful exploit could allow the attacker to obtain sensitive information.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Assessing the Risk of CVE-2021-1481

Access Complexity Graph

The exploitability of CVE-2021-1481 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2021-1481

CVE-2021-1481 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2021-1481, 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.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2021-1481, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2021-1481 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2021-1481 poses no threat to data integrity.
  • Availability: None
    CVE-2021-1481 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.045% (probability of exploit)

EPSS Percentile: 16.83% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 83.17% of others.

CVE-2021-1481 References

External References

CWE Common Weakness Enumeration

CWE-943

CAPEC Common Attack Pattern Enumeration and Classification

  • NoSQL Injection CAPEC-676 An adversary targets software that constructs NoSQL statements based on user input or with parameters vulnerable to operator replacement in order to achieve a variety of technical impacts such as escalating privileges, bypassing authentication, and/or executing code.

Vulnerable Configurations

  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.6:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.6:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.7:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.7:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.8:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.8:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.9:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.9:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.10:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:17.2.10:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.4:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.5:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.5:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.6:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.6:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.7:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.7:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.8:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.3.8:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.6:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.302:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.302:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.303:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.303:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.501_es:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:18.4.501_es:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.0.1a:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.0.1a:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.4:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.4:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.4.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.4.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.31:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.31:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.32:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.32:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.097:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.097:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.098:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.098:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.099:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.099:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.929:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.2.929:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:19.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.2_937:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.2_937:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.12:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.1.12:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2.1_927:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2.1_927:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2.1_930:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2.1_930:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_925:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_925:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_928:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_928:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_929:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_929:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_937:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.2_937:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.3:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.3:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.3.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.4.1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.4.1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.4.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.4.1.1:*:*:*:*:*:*:*

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