Security readout for executives and security teams
Plain-English summary
CVE-2024-12086 is an rsync confidentiality flaw. If a user or automated job uploads files to a malicious or compromised rsync server, that server may infer other files from the client system. This is not listed as actively exploited in KEV. Business urgency depends on whether rsync clients push data to untrusted or externally operated servers.
Executive priority
Treat as a targeted confidentiality risk, not a broad emergency. Prioritize backup, deployment, and file-transfer systems that upload to external or shared rsync servers. Patch or restrict those workflows first, especially where sensitive client-side files may exist on the sending host.
Technical view
The issue occurs during client-to-server rsync transfers. A server can send specially constructed checksum values for arbitrary client-side files and use client responses to reconstruct file contents byte by byte. CVSS is 6.1, medium, with high confidentiality impact, high attack complexity, and required user interaction.
Likely exposure
Most exposed environments are those where rsync clients push data to servers outside direct administrative control. The bundle identifies affected Red Hat rsync packages in RHEL 8, 9, 10, RHEL 9.6 EUS, OpenShift Container Platform 4 RHCOS, and Red Hat Discovery 2. RHEL 6 and 7 status is listed as unknown.
Exploitation context
Exploitation requires the client to interact with an attacker-controlled or compromised rsync server during an upload workflow. The source bundle includes a Google Security Research advisory, but KEV is false and the provided sources do not establish active exploitation in the wild.
Researcher notes
The core trust boundary is reversed: a malicious server influences client checksum comparison during uploads. Avoid publishing exploit procedures. Useful analysis areas include identifying client upload paths, server trust assumptions, affected package lineage, and whether vendor fixes alter checksum validation behavior.
Mitigation direction
- Apply vendor rsync updates or advisories where available for your operating system and platform.
- Review Red Hat, Debian, NetApp, and upstream guidance for product-specific remediation.
- Avoid pushing rsync data to untrusted or externally controlled servers until remediated.
- Restrict automated rsync jobs to trusted destinations with strong access controls.
- Prioritize systems handling sensitive files or credentials during rsync upload workflows.
Validation and detection
- Inventory systems with rsync installed and identify package versions.
- Find scheduled jobs or services that push files to rsync servers.
- Map rsync destinations to trusted, internal, third-party, or unknown ownership.
- Check affected Red Hat, Debian, NetApp, and OpenShift assets against vendor advisories.
- Confirm remediation by verifying installed package versions against vendor guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-390: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-12086 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N1.64redhatVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineredhat
Reported to Red Hat.
- Source timelineredhat
Made public.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHBA-2025:6470CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:19368CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:20603CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2026:29197CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-12086CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2330577CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://kb.cert.org/vuls/id/952657CVE reference, redhat
- https://github.com/google/security-research/security/advisories/GHSA-p5pg-x43v-mvqjCVE reference, CISA-ADP · exploit
- https://security.netapp.com/advisory/ntap-20250131-0002/CVE reference, CVE
- https://lists.debian.org/debian-lts-announce/2025/01/msg00008.htmlCVE reference, CVE
- https://www.kb.cert.org/vuls/id/952657CVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Detection of Error Condition Without Action
Detection of Error Condition Without Action represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.