Vulnerability-Lookup

CVE-2018-20060 (GCVE-0-2018-20060)

Vulnerability from cvelistv5 – Published: 2018-12-11 17:00 – Updated: 2024-12-27 16:02

Summary

urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.

Severity

9.8 (Critical)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2316 records in the last 180 days details

References

12 references

URL	Tags
https://github.com/urllib3/urllib3/issues/1316	x_refsource_MISC
https://github.com/urllib3/urllib3/pull/1346	x_refsource_MISC
https://github.com/urllib3/urllib3/blob/master/CH…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1649153	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://usn.ubuntu.com/3990-1/	vendor-advisoryx_refsource_UBUNTU
https://access.redhat.com/errata/RHSA-2019:2272	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST
https://security.netapp.com/advisory/ntap-2024122…

Date Public

2018-12-11 00:00

Show details on NVD website

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                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:10:23+00:00",
      "cve": "CVE-2018-20060",
      "id": "CVE-2018-20060",
      "initial_release_date": "2018-03-26T00:00:00+00:00",
      "product_status:fixed": "314",
      "product_status:known_affected": "28",
      "product_status:known_not_affected": "6",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "python-urllib3: Cross-host redirect does not remove Authorization header allow for credential exposure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-20060.json",
      "version": "3"
    }
  }
}

RHSA-2020:1605

Vulnerability from csaf_opensuse - Published: 2020-04-28 16:06 - Updated: 2026-10-07 20:08

Summary

Red Hat Security Advisory: python27:2.7 security, bug fix, and enhancement update

Severity

Moderate

Scope

7 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

5.3 (Medium)


                
                  CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Fixed: 264 products

https://access.redhat.com/errata/RHSA-2020:1605

Open the full advisory

RHSA-2020:1916

Vulnerability from csaf_opensuse - Published: 2020-04-28 00:00 - Updated: 2026-09-20 11:08

Summary

security update for python-pip

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 3 products

Open the full advisory

RHSA-2020:2068

Vulnerability from csaf_opensuse - Published: 2020-05-12 00:00 - Updated: 2026-09-20 11:09

Summary

security update for python-pip

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 1 product

Open the full advisory

RHSA-2020:2081

Vulnerability from csaf_opensuse - Published: 2020-05-12 00:00 - Updated: 2026-09-20 11:09

Summary

security update for python-virtualenv

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 1 product

Open the full advisory

SUSE-SU-2019:2300-1

Vulnerability from csaf_suse - Published: 2019-09-05 06:56 - Updated: 2026-09-20 13:17

Summary

Security update for python-urllib3

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 3 products

Open the full advisory

SUSE-SU-2019:2331-1

Vulnerability from csaf_suse - Published: 2019-09-09 08:17 - Updated: 2026-09-20 13:17

Summary

Security update for python-urllib3

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 10 products

Open the full advisory

SUSE-SU-2019:2370-1

Vulnerability from csaf_suse - Published: 2019-09-12 11:30 - Updated: 2026-09-20 13:17

Summary

Security update for python-urllib3

Severity

Moderate

Scope

4 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 27 products

Open the full advisory

SUSE-SU-2019:2399-1

Vulnerability from csaf_suse - Published: 2019-09-18 10:53 - Updated: 2026-09-20 13:18

Summary

Security update for python-urllib3

Severity

Moderate

Scope

3 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

2.6 (Low)


                
                  CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Recommended: 1 product

Open the full advisory

UBUNTU-CVE-2018-20060 (CVE-2018-20060)

Vulnerability from osv_ubuntu – Published: 2018-12-11 00:00 – Updated: 2025-09-08 16:45 – Source website

Details

Severity

9.8 (Critical)


                    
                      CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2018-20060	REPORT
	https://github.com/urllib3/urllib3/blob/master/CH…	REPORT
	https://ubuntu.com/security/notices/USN-3990-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2018-20060	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "python-urllib3",
            "binary_version": "1.7.1-1ubuntu4.1+esm1"
          },
          {
            "binary_name": "python-urllib3-whl",
            "binary_version": "1.7.1-1ubuntu4.1+esm1"
          },
          {
            "binary_name": "python3-urllib3",
            "binary_version": "1.7.1-1ubuntu4.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "python-urllib3",
        "purl": "pkg:deb/ubuntu/python-urllib3@1.7.1-1ubuntu4.1+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.6-2",
        "1.7.1-1",
        "1.7.1-1build1",
        "1.7.1-1ubuntu0.1",
        "1.7.1-1ubuntu3",
        "1.7.1-1ubuntu4",
        "1.7.1-1ubuntu4.1",
        "1.7.1-1ubuntu4.1+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-urllib3",
            "binary_version": "1.13.1-2ubuntu0.16.04.3"
          },
          {
            "binary_name": "python3-urllib3",
            "binary_version": "1.13.1-2ubuntu0.16.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "python-urllib3",
        "purl": "pkg:deb/ubuntu/python-urllib3@1.13.1-2ubuntu0.16.04.3?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.13.1-2ubuntu0.16.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.11-1",
        "1.12-1",
        "1.13.1-1",
        "1.13.1-2",
        "1.13.1-2ubuntu0.16.04.1",
        "1.13.1-2ubuntu0.16.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "python-urllib3",
            "binary_version": "1.22-1ubuntu0.18.04.1"
          },
          {
            "binary_name": "python3-urllib3",
            "binary_version": "1.22-1ubuntu0.18.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "python-urllib3",
        "purl": "pkg:deb/ubuntu/python-urllib3@1.22-1ubuntu0.18.04.1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.22-1ubuntu0.18.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.21.1-1",
        "1.22-1"
      ]
    }
  ],
  "aliases": [],
  "details": "urllib3 before version 1.23 does not remove the Authorization HTTP header when following a cross-origin redirect (i.e., a redirect that differs in host, port, or scheme). This can allow for credentials in the Authorization header to be exposed to unintended hosts or transmitted in cleartext.",
  "id": "UBUNTU-CVE-2018-20060",
  "modified": "2025-09-08T16:45:06Z",
  "published": "2018-12-11T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2018-20060"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/urllib3/urllib3/blob/master/CHANGES.rst"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3990-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2018-20060"
    }
  ],
  "related": [
    "USN-3990-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2018-20060"
  ]
}

WID-SEC-W-2022-0517

Vulnerability from csaf_certbund - Published: 2019-08-06 22:00 - Updated: 2026-08-31 22:00

Summary

Red Hat Enterprise Linux: Mehrere Schwachstellen

Severity

Mittel

Scope

99 vulnerabilities in this advisory, including CVE-2018-20060.

CVE-2018-20060

Known affected: 11 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2018-20060 (GCVE-0-2018-20060)

UBUNTU-CVE-2018-20060 (CVE-2018-20060)

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