Is CVE-2019-11356 actively exploited?

CVE-2019-11356 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2019-11356?

CVE-2019-11356 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2019-11356?

Patch guidance is available from cyrus security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-11356.

Fix CVE-2019-11356 - CRITICAL cyrus imap

Q: Which products are affected by CVE-2019-11356?

14 products: cyrus imap, cyrus imap, fedoraproject fedora, fedoraproject fedora, debian debian linux, and 9 more.

Description

The CalDAV feature in httpd in Cyrus IMAP 2.5.x through 2.5.12 and 3.0.x through 3.0.9 allows remote attackers to execute arbitrary code via a crafted HTTP PUT operation for an event with a long iCalendar property name.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: CYRUS
Published: 6/3/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

cyrus : imapcyrus : imapfedoraproject : fedorafedoraproject : fedoradebian : debian_linuxcanonical : ubuntu_linuxredhat : enterprise_linuxredhat : enterprise_linux_eusredhat : enterprise_linux_eusredhat : enterprise_linux_eusredhat : enterprise_linux_server_ausredhat : enterprise_linux_server_ausredhat : enterprise_linux_server_tusredhat : enterprise_linux_server_tus

Remediation Guidance

Executive Summary

View on NIST NVD