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TI-2017-05899 Aliases CVE-2017-8342GHSA-rpv4-63g3-9x23

Radicale before 1.1.2 and 2.x before 2.0.0rc2 is prone to timing oracles and simple…

Priority LOW 39CWE-362Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

Radicale before 1.1.2 and 2.x before 2.0.0rc2 is prone to timing oracles and simple brute-force attacks when using the htpasswd authentication method.

Why it matters now

EPSS 0.02016 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Radicale (PyPI): 1.1.2, 2.0.0rc2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—Radicale (PyPI)before 1.1.21.1.2Patch availableGHSA-rpv4-63g3-9x23
—Radicale (PyPI)2.0.0rc1 to before 2.0.0rc22.0.0rc2Patch availableGHSA-rpv4-63g3-9x23
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • Radicale (PyPI) Vendor— Affected before 1.1.2 Fixed in 1.1.2 Patch available GHSA-rpv4-63g3-9x23
  • Radicale (PyPI) Vendor— Affected 2.0.0rc1 to before 2.0.0rc2 Fixed in 2.0.0rc2 Patch available GHSA-rpv4-63g3-9x23

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:radicale:radicale:*:*:*:*:*:*:*:*up to 1.1.1VulnerableRadicale
cpe:2.3:a:radicale:radicale:2.0.0:rc1:*:*:*:*:*:*2.0.0 rc1VulnerableRadicale
  • cpe:2.3:a:radicale:radicale:*:*:*:*:*:*:*:* Versions up to 1.1.1 Vulnerable ·Radicale
  • cpe:2.3:a:radicale:radicale:2.0.0:rc1:*:*:*:*:*:* Versions 2.0.0 rc1 Vulnerable ·Radicale

Remediation

  • Fix · GHSA-rpv4-63g3-9x23 Radicale (PyPI) Fixed in 1.1.2 Advisory →
  • Fix · GHSA-rpv4-63g3-9x23 Radicale (PyPI) Fixed in 2.0.0rc2 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-8342
  2. 2026-10-03 Alias added: GHSA-rpv4-63g3-9x23

References

Exploit 1

Patch 2

Advisory 2

Other 3

  • TI-2016-01392 The filesystem storage backend in Radicale before 1.1 on Windows allows remote attackers… CVSS 3.0CRITICAL 10.0
  • TI-2015-07197 The multifilesystem storage backend in Radicale before 1.1 allows remote attackers to… CVSS 3.0CRITICAL 10.0
  • TI-2015-07198 Radicale before 1.1 allows remote authenticated users to bypass owner_write and… CVSS 3.0MEDIUM 5.3

Sources

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