CVE-2020-8564 Security Vulnerability & Exploit Details

CVE-2020-8564
Vulnerability Scoring

4.7

/10

Medium Risk

The vulnerability CVE-2020-8564 could compromise system integrity but typically requires user interaction to be exploited.

Attack Complexity Details

Attack Complexity: High
Exploits require significant effort and 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-2020-8564 Details

Status: Modified

Last updated: 🕠 21 Nov 2024, 05:39 UTC
Originally published on: 🕙 07 Dec 2020, 22:15 UTC

Time between publication and last update: 1444 days

CVSS Release: version 3

CVSS3 Source

jordan@liggitt.net

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2020-8564 Vulnerability Summary

CVE-2020-8564: In Kubernetes clusters using a logging level of at least 4, processing a malformed docker config file will result in the contents of the docker config file being leaked, which can include pull secrets or other registry credentials. This affects < v1.19.3, < v1.18.10, < v1.17.13.

Assessing the Risk of CVE-2020-8564

Access Complexity Graph

The exploitability of CVE-2020-8564 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-2020-8564

This vulnerability, CVE-2020-8564, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate 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-2020-8564, 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-2020-8564, 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-2020-8564 can result in unauthorized access to sensitive data, severely compromising data privacy.
Integrity: None
CVE-2020-8564 poses no threat to data integrity.
Availability: None
CVE-2020-8564 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: 0.047% (probability of exploit)

EPSS Percentile: 20.23% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 79.77% of others.

CVE-2020-8564 References

External References

CWE Common Weakness Enumeration

CWE-532

CAPEC Common Attack Pattern Enumeration and Classification

Fuzzing for application mapping CAPEC-215 An attacker sends random, malformed, or otherwise unexpected messages to a target application and observes the application's log or error messages returned. The attacker does not initially know how a target will respond to individual messages but by attempting a large number of message variants they may find a variant that trigger's desired behavior. In this attack, the purpose of the fuzzing is to observe the application's log and error messages, although fuzzing a target can also sometimes cause the target to enter an unstable state, causing a crash.

Vulnerable Configurations

cpe:2.3:a:kubernetes:kubernetes:1.17.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:rc2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:rc2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:beta1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:beta1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:beta2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:beta2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.1:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.1:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.1:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.1:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.2:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.2:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.2:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.2:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.3:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.3:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.3:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.3:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.4:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.4:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.4:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.4:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.5:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.5:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.5:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.5:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.6:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.6:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.6:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.6:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.7:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.7:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.7:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.7:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.8:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.8:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.8:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.8:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.8:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.8:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.9:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.9:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.9:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.9:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.10:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.10:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.10:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.10:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.11:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.11:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.11:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.11:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.11:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.11:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.12:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.12:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.12:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.17.12:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:beta1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:beta1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:beta2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:beta2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.1:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.1:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.2:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.2:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.2:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.2:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.3:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.3:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.3:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.3:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.4:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.4:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.4:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.4:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.5:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.5:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.5:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.5:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.5:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.5:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.6:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.6:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.6:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.6:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.7:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.7:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.7:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.7:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.8:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.8:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.8:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.8:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.8:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.8:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.9:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.9:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.9:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.18.9:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc4:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:rc4:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:beta0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:beta1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:beta1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:beta2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:beta2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.1:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.1:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.1:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.1:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.2:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.2:-:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.2:rc0:*:*:*:*:*:*
cpe:2.3:a:kubernetes:kubernetes:1.19.2:rc0:*:*:*:*:*:*

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CVE-2020-8564 Vulnerability Scoring