CVE-2019-16017 Vulnerability Analysis & Exploit Details

CVE-2019-16017
Vulnerability Scoring

6.8
/10
High Risk

If left unpatched, CVE-2019-16017 could lead to major system disruptions or data loss.

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: High
    High-level privileges are required for exploitation.
  • Scope: Changed
    Successful exploitation can impact components beyond the vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2019-16017 Details

Status: Analyzed

Last updated: 🕟 05 Oct 2020, 16:51 UTC
Originally published on: 🕐 23 Sep 2020, 01:15 UTC

Time between publication and last update: 12 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2019-16017 Vulnerability Summary

CVE-2019-16017: A vulnerability in the Operations, Administration, Maintenance and Provisioning (OAMP) OpsConsole Server for Cisco Unified Customer Voice Portal (CVP) could allow an authenticated, remote attacker to execute Insecure Direct Object Reference actions on specific pages within the OAMP application. The vulnerability is due to insufficient input validation on specific pages of the OAMP application. An attacker could exploit this vulnerability by authenticating to Cisco Unified CVP and sending crafted HTTP requests. A successful exploit could allow an attacker with administrator or read-only privileges to learn information outside of their expected scope. An attacker with administrator privileges could modify certain configuration details of resources outside of their defined scope, which could result in a denial of service (DoS) condition.

Assessing the Risk of CVE-2019-16017

Access Complexity Graph

The exploitability of CVE-2019-16017 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-2019-16017

The exploitability of CVE-2019-16017 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

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-2019-16017, 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-2019-16017, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2019-16017 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2019-16017 poses no threat to data integrity.
  • Availability: High
    CVE-2019-16017 can disrupt system operations, potentially causing complete denial of service (DoS).

Exploit Prediction Scoring System (EPSS)

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

EPSS Score: 0.095% (probability of exploit)

EPSS Percentile: 42.26% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 57.74% of others.

CVE-2019-16017 References

External References

CWE Common Weakness Enumeration

CWE-264

Vulnerable Configurations

  • cpe:2.3:a:cisco:unified_customer_voice_portal:3.0:sr1:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:3.0:sr1:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:3.0:sr2:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:3.0:sr2:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:3.6\(10\):es01:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:3.6\(10\):es01:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:4.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:4.0\(2\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:4.0\(2\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:4.0\(2\):sr1:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:4.0\(2\):sr1:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:4.1:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:7.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:7.0\(2\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:7.0\(2\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:8.0\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:8.0\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:8.5\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:8.5\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:9.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:9.0\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:9.0\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:10.5:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:10.5:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:10.5\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:10.5\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.0\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.0\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.5:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.5:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.5\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.5\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.6:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.6:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.6\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.6\(1\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.6\(1\)_es-11:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.6\(1\)_es-11:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:11.6\(2\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:11.6\(2\):*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:12.0:*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:12.0:*:*:*:*:*:*:*
  • cpe:2.3:a:cisco:unified_customer_voice_portal:12.0\(1\):*:*:*:*:*:*:*
    cpe:2.3:a:cisco:unified_customer_voice_portal:12.0\(1\):*:*:*:*:*:*:*

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