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TI-2020-16909 Aliases CVE-2020-27839GHSA-2c8x-3ppx-9gj3

Insufficiently protected credentials in ceph-dashboard

Priority LOW 29CWE-522Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · Low · None
Fix status
Partial Red Hat: 3 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-522.

Summary

A flaw was found in ceph-dashboard. The JSON Web Token (JWT) used for user authentication is stored by the frontend application in the browser’s localStorage which is potentially vulnerable to attackers via XSS attacks. The highest threat from this vulnerability is to data confidentiality and integrity.

Why it matters now

EPSS 0.02449 84th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 3 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—ceph-dashboardceph-dashboard 14.2.17, ceph-dashboard 15.2.9—No fix listedCNA
  • ceph-dashboard Vendor— Affected ceph-dashboard 14.2.17, ceph-dashboard 15.2.9 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*before 14.2.17; 15.2.0 to before 15.2.9VulnerableRed Hat
  • cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:* Versions before 14.2.17; 15.2.0 to before 15.2.9 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

  • RHSA-2021:2445 Released 2021-06-15 · Red Hat rating Important
    Red Hat Ceph Storage 4.2 Security and Bug Fix Update
    • Red Hat Ceph Storage 4.2 MON ceph-2:14.2.11-181.el7cp, ceph-2:14.2.11-181.el8cp, ceph-base-2:14.2.11-181.el7cp +47
    • Red Hat Ceph Storage 4.2 OSD ceph-2:14.2.11-181.el7cp, ceph-2:14.2.11-181.el8cp, ceph-base-2:14.2.11-181.el7cp +39
    • Red Hat Ceph Storage 4.2 Tools ceph-2:14.2.11-181.el7cp, ceph-2:14.2.11-181.el8cp, ceph-base-2:14.2.11-181.el7cp +47

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ceph Storage 2AffectedNo fix planned: Out of support scope
Red Hat OpenStack Platform 13 (Queens)AffectedNo fix planned: Will not fix
Red Hat Openshift Container Storage 4AffectedNo fix planned: Will not fix
Red Hat Ceph Storage 4.2 MONFixed RHSA-2021:2445
Red Hat Ceph Storage 4.2 OSDFixed RHSA-2021:2445
Red Hat Ceph Storage 4.2 ToolsFixed RHSA-2021:2445
Not affected: 5 products
  • Red Hat Ceph Storage 3
  • Red Hat Ceph Storage 4.2 MON
  • Red Hat Ceph Storage 4.2 Tools
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27839
  2. 2026-10-03 Alias added: GHSA-2c8x-3ppx-9gj3

References

Advisory 1

  • TI-2024-32120 RGW DoS attack with empty HTTP header in S3 object copy CVSS 3.1HIGH 7.5
  • TI-2020-15677 Authentication bypass by capture-replay in ceph CVSS 3.1HIGH 8.8
  • TI-2018-05266 In Ceph before 12.2.3 and 13.x through 13.0.1, the rgw_civetweb.cc RGWCivetWeb::init_env… CVSS 3.0HIGH 7.5
  • TI-2018-01045 Authentication bypass by capture-replay in Red Hat ceph CVSS 3.0HIGH 7.5
  • TI-2022-03356 A privilege escalation flaw was found in Ceph. CVSS 3.1HIGH 7.8
  • TI-2018-12099 Sensitive information in log files in ceph CVSS 3.0HIGH 7.5
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences