CVE-2024-12086
MEDIUMEPSS 77th pctlDescription
A flaw was found in rsync. It could allow a server to enumerate the contents of an arbitrary file from the client's machine. This issue occurs when files are being copied from a client to a server. During this process, the rsync server will send checksums of local data to the client to compare with in order to determine what data needs to be sent to the server. By sending specially constructed checksum values for arbitrary files, an attacker may be able to reconstruct the data of those files byte-by-byte based on the responses from the client.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Exploit Intelligence
Elevated risk: more likely to be exploited than 77% of all known CVEs.
References
Related Vulnerabilities
Other CWE-390 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-30255 | Medium | 5.3 | 88% | - | Fix |
| CVE-2024-27919 | High | 7.5 | 87% | - | - |
| CVE-2025-26465 | Medium | 6.8 | 7.4% | - | Fix |
| CVE-2019-5051 | High | 8.8 | 4.0% | - | Fix |
| CVE-2021-40391 | Critical | 9.8 | 2.9% | - | Fix |
| CVE-2017-7485 | Medium | 5.9 | 2.0% | - | - |
Common questions
How do I fix CVE-2024-12086?
Published advisories record a fix for 14 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.
Is CVE-2024-12086 being actively exploited?
Not that we know of. CVE-2024-12086 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.8% is the estimated probability that it will be exploited in the next 30 days. That is higher than 77% of all scored CVEs.
How severe is CVE-2024-12086?
CVE-2024-12086 has a CVSS v3 base score of 6.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2024-12086 affect?
Published advisories record a fix for rsync (Debian), registry.redhat.io/discovery/discovery (Red Hat / RHEL), registry.redhat.io/discovery/discovery (Rocky), rsync (Rocky), and 10 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-30.