CVE-2020-1172 Vulnerability Analysis & Exploit Details

CVE-2020-1172
Vulnerability Scoring

4.2
/10
Medium Risk

The vulnerability CVE-2020-1172 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: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2020-1172 Details

Status: Modified

Last updated: 🕙 31 Dec 2023, 22:15 UTC
Originally published on: 🕔 11 Sep 2020, 17:15 UTC

Time between publication and last update: 1206 days

CVSS Release: version 3

CVSS3 Source

secure@microsoft.com

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2020-1172 Vulnerability Summary

CVE-2020-1172: <p>A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.</p> <p>If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The security update addresses the vulnerability by modifying how the ChakraCore scripting engine handles objects in memory.</p>

Assessing the Risk of CVE-2020-1172

Access Complexity Graph

The exploitability of CVE-2020-1172 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-2020-1172

CVE-2020-1172 presents a challenge to exploit due to its high attack complexity, but the absence of privilege requirements still makes it a viable target for skilled attackers. A thorough security review is advised.

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-2020-1172, 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-2020-1172, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2020-1172 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: Low
    Exploiting CVE-2020-1172 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2020-1172 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: 4.374% (probability of exploit)

EPSS Percentile: 92.46% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 7.540000000000006% of others.

CVE-2020-1172 References

External References

CWE Common Weakness Enumeration

CWE-787

Vulnerable Configurations

  • cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.2.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.2.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.2.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.3.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.3.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.5.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.5.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.4:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.7.6:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.7.6:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.8.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.8.4:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.8.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.8.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.10.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.10.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.10.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.10.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.0:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.0:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.1:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.1:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.2:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.2:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.3:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.3:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.4:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.4:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.5:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.6:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.6:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.7:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.7:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.8:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.8:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.9:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.9:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.10:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.10:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.11:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.11:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.12:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.12:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.13:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.13:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.14:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.14:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.15:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.15:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.16:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.16:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.17:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.17:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.18:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.18:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.19:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.19:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.20:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.20:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:chakracore:1.11.21:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:chakracore:1.11.21:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
    cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
    cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

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