CVE-2021-2414 Vulnerability Analysis & Exploit Details

CVE-2021-2414
Vulnerability Scoring

6.8
/10
High Risk

If left unpatched, CVE-2021-2414 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-2021-2414 Details

Status: Modified

Last updated: 🕕 21 Nov 2024, 06:03 UTC
Originally published on: 🕚 20 Oct 2021, 11:16 UTC

Time between publication and last update: 1127 days

CVSS Release: version 3

CVSS3 Source

secalert_us@oracle.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2021-2414 Vulnerability Summary

CVE-2021-2414: Vulnerability in the Oracle Communications Session Border Controller product of Oracle Communications (component: Routing). Supported versions that are affected are 8.4 and 9.0. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle Communications Session Border Controller. While the vulnerability is in Oracle Communications Session Border Controller, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Communications Session Border Controller accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N).

Assessing the Risk of CVE-2021-2414

Access Complexity Graph

The exploitability of CVE-2021-2414 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-2021-2414

The exploitability of CVE-2021-2414 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-2021-2414, 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-2021-2414, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2021-2414 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2021-2414 poses no threat to data integrity.
  • Availability: None
    CVE-2021-2414 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: 0.094% (probability of exploit)

EPSS Percentile: 42.03% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 57.97% of others.

CVE-2021-2414 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:communications_session_border_controller:8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:communications_session_border_controller:9.0:*:*:*:*:*:*:*

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