CVE-2019-18928

CRITICAL EPSS 81.9%
Published Nov 15, 20196y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Nov 15, 2019 6y ago
Last Modified Jun 17, 2026 2w ago

Description

Cyrus IMAP 2.5.x before 2.5.14 and 3.x before 3.0.12 allows privilege escalation because an HTTP request may be interpreted in the authentication context of an unrelated previous request that arrived over the same connection.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
81.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 5

VendorProductVersionRange
cyrusimap*≥2.5.0  –  <2.5.14
cyrusimap*≥3.0.0  –  <3.0.12
fedoraprojectfedora30any
fedoraprojectfedora31any
debiandebian_linux9.0any

References 5

  • lists.debian.org https://lists.debian.org/debian-lts-announce/2022/06/msg00013.html
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAGKPZDXQ6KRUGQVRAO6N4PCINP6KS5F/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PHV3TUU53WCKJ3BBRK2EHAF44MSZEFK6/
  • cyrusimap.org https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.14.html
    PatchRelease NotesThird Party Advisory
  • cyrusimap.org https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.12.html
    PatchRelease NotesThird Party Advisory

Remediation

  • cyrusimap.org https://www.cyrusimap.org/imap/download/release-notes/2.5/x/2.5.14.html
    PatchRelease NotesThird Party Advisory
  • cyrusimap.org https://www.cyrusimap.org/imap/download/release-notes/3.0/x/3.0.12.html
    PatchRelease NotesThird Party Advisory