CVE-2020-24714: Scalyr agent 2 Scalyr Agent Missing SSL Certificate Vulnerability

CRITICAL
Advisory Identifier: GHSA-w6xv-mf6f-r5f6
Share
CVSS 9.8
CWE-295
Published
Advisory Summary

CVE-2020-24714 is a CRITICAL (CVSS 9.8) scalyr agent missing ssl certificate vulnerability (CWE-295: Improper Certificate Validation) affecting Scalyr agent 2 libraries in the PyPI ecosystem. The issue involves scalyr agent missing ssl certificate validation. Remediation is available by upgrading affected packages to version 2.1.10.

CVE-2020-24714 at a Glance

CVE Identifier CVE-2020-24714
GHSA Identifier GHSA-w6xv-mf6f-r5f6
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Scalyr agent 2
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2020-24714

To remediate this vulnerability, upgrade all affected Scalyr agent 2 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

scalyr-agent-2 fixed: 2.1.10 
pip install scalyr-agent-2>=2.1.10
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show scalyr-agent-2

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2020-24714, inspect your installed packages using pip:

pip show scalyr-agent-2

Analyze the terminal output to locate any version of Scalyr agent 2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.10), your application is affected.

Note: The pip show scalyr-agent-2 command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Scalyr agent 2, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

The Scalyr Agent before 2.1.10 has Missing SSL Certificate Validation because, in some circumstances, the openssl binary is called without the -verify_hostname option.

CVE-2020-24714 Affected Scalyr agent 2 Versions

1 component(s)
Fixed Versions:
2.1.10
Product / Package Ecosystem Affected Versions Fixed Version
scalyr-agent-2
pypi/scalyr-agent-2
PyPI
< 2.1.10
2.1.10

References

NVD — CVE-2020-24714 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24714
Security Fix Commit FIX COMMIT
https://github.com/scalyr/scalyr-agent-2/commit/96d5f5bec734c7a0e7c64654cdb7aacc81fdc867
Scalyr agent 2 Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/scalyr-agent-2/PYSEC-2020-251.yaml
Scalyr agent 2 Source Repository REPOSITORY
https://github.com/scalyr/scalyr-agent-2
Scalyr agent 2 Source Repository REPOSITORY
https://github.com/scalyr/scalyr-agent-2/blob/96d5f5bec734c7a0e7c64654cdb7aacc81fdc867/CHANGELOG.md
scalyr-static.s3.amazonaws.com/technical-details/i... WEB
https://scalyr-static.s3.amazonaws.com/technical-details/index.html

Frequently Asked Questions

What is CVE-2020-24714?
CVE-2020-24714 is a security vulnerability in Scalyr agent 2 involving Scalyr Agent Missing SSL Certificate Validation under CWE-295: Improper Certificate Validation.
Which Scalyr agent 2 versions are affected?
Affected versions include releases prior to 2.1.10 across affected packages: scalyr-agent-2.
What version fixes CVE-2020-24714?
Upgrading to 2.1.10 (or the latest patched release for your respective branch) resolves the vulnerability.
Is scalyr-agent-2 affected?
Yes, scalyr-agent-2 is affected in releases prior to 2.1.10. Upgrade your dependency to 2.1.10 or later.
What is the CVSS score of CVE-2020-24714?
CVE-2020-24714 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2020-24714?
CVE-2020-24714 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check PyPI dependencies for CVE-2020-24714?
Run the dependency tree command: 'pip show scalyr-agent-2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w6xv-mf6f-r5f6",
  "modified" : "2024-10-22T17:23:30Z",
  "published" : "2022-05-24T17:26:55Z",
  "aliases" : [ "CVE-2020-24714" ],
  "summary" : "Scalyr Agent Missing SSL Certificate Validation",
  "details" : "The Scalyr Agent before 2.1.10 has Missing SSL Certificate Validation because, in some circumstances, the openssl binary is called without the -verify_hostname option.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "scalyr-agent-2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.1.10"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-24714"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/scalyr/scalyr-agent-2/commit/96d5f5bec734c7a0e7c64654cdb7aacc81fdc867"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/scalyr-agent-2/PYSEC-2020-251.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/scalyr/scalyr-agent-2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/scalyr/scalyr-agent-2/blob/96d5f5bec734c7a0e7c64654cdb7aacc81fdc867/CHANGELOG.md"
  }, {
    "type" : "WEB",
    "url" : "https://scalyr-static.s3.amazonaws.com/technical-details/index.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-29T11:00:05Z",
    "nvd_published_at" : "2020-08-27T22:15:00Z"
  }
}