Is CVE-2017-12843 actively exploited?

CVE-2017-12843 has no public evidence of in-the-wild exploitation as of 2025-04-20.

What is the CVSS score for CVE-2017-12843?

CVE-2017-12843 has a CVSS score of 6.5 (MEDIUM severity). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

How do I patch CVE-2017-12843?

Patch guidance is available from cyrusimap security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2017-12843.

CVE-2017-12843 - remediation guidance & executive summary

Q: Which products are affected by CVE-2017-12843?

2 products: cyrusimap cyrus imap, fedoraproject fedora.

Description

Cyrus IMAP before 3.0.3 allows remote authenticated users to write to arbitrary files via a crafted (1) SYNCAPPLY, (2) SYNCGET or (3) SYNCRESTORE command.

CVSS Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: CYRUSIMAP
Published: 8/22/2017
Last Modified: 4/20/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2017-12843

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary