CVE-2020-24716 Security Vulnerability & Exploit Details

CVE-2020-24716
Vulnerability Scoring

7.8

/10

Very High Risk

Highly exploitable, CVE-2020-24716 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

Attack Complexity: Low
Exploits can be performed without significant complexity or special conditions.
Attack Vector: Local
Vulnerability requires local system 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-2020-24716 Details

Status: Analyzed

Last updated: 🕦 21 Jul 2021, 11:39 UTC
Originally published on: 🕖 27 Aug 2020, 19:15 UTC

Time between publication and last update: 327 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2020-24716 Vulnerability Summary

CVE-2020-24716: OpenZFS before 2.0.0-rc1, when used on FreeBSD, allows execute permissions for all directories.

Assessing the Risk of CVE-2020-24716

Access Complexity Graph

The exploitability of CVE-2020-24716 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-2020-24716

CVE-2020-24716 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-2020-24716, 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-2020-24716, 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-2020-24716 can result in unauthorized access to sensitive data, severely compromising data privacy.
Integrity: High
CVE-2020-24716 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
Availability: High
CVE-2020-24716 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: 0.081% (probability of exploit)

EPSS Percentile: 37.48% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 62.52% of others.

CVE-2020-24716 References

External References

CWE Common Weakness Enumeration

CWE-863

Vulnerable Configurations

cpe:2.3:a:openzfs:openzfs:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.9:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.4.9:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.5.0:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:-:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:-:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc10:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc10:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc11:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc11:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc12:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc12:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc13:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc13:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc14:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc14:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc3:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc3:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc4:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc4:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc5:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc5:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc6:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc6:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc7:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc7:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc8:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc8:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc9:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.0:rc9:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.4.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.4.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.4.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.4.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.6:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.6:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.7:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.7:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.8:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.8:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.9:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.9:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.10:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.10:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.11:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.6.5.11:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:-:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:-:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc3:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc3:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc4:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc4:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc5:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.0:rc5:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.5:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.6:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.6:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.7:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.7:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.8:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.8:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.9:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.9:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.10:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.10:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.11:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.11:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.12:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.12:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.13:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.7.13:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:-:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:-:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc3:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc3:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc4:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc4:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc5:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.0:rc5:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.4:*:*:*:*:*:*:*
cpe:2.3:a:openzfs:openzfs:0.8.4:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:-:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:-:*:*:*:*:*:*:*

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CVE-2020-24716 Vulnerability Scoring