CVE-2020-14887 Vulnerability Analysis & Exploit Details

CVE-2020-14887
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2020-14887 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: 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-2020-14887 Details

Status: Analyzed

Last updated: 🕢 22 Oct 2020, 19:35 UTC
Originally published on: 🕒 21 Oct 2020, 15:15 UTC

Time between publication and last update: 1 days

CVSS Release: version 3

CVSS3 Source

secalert_us@oracle.com

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2020-14887 Vulnerability Summary

CVE-2020-14887: Vulnerability in the Oracle FLEXCUBE Universal Banking product of Oracle Financial Services Applications (component: Infrastructure). Supported versions that are affected are 12.3.0 and 14.0.0-14.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Universal Banking accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).

Assessing the Risk of CVE-2020-14887

Access Complexity Graph

The exploitability of CVE-2020-14887 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-2020-14887

CVE-2020-14887 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-2020-14887, 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-2020-14887, 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-2020-14887 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2020-14887 poses no threat to data integrity.
  • Availability: None
    CVE-2020-14887 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-2020-14887 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:oracle:flexcube_universal_banking:14.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:flexcube_universal_banking:14.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:flexcube_universal_banking:14.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:flexcube_universal_banking:14.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:flexcube_universal_banking:14.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:flexcube_universal_banking:14.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:flexcube_universal_banking:14.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:flexcube_universal_banking:14.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:flexcube_universal_banking:14.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:flexcube_universal_banking:14.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:oracle:flexcube_universal_banking:12.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:oracle:flexcube_universal_banking:12.3.0:*:*:*:*:*:*:*

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