CVE-2025-2515

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2025-12-24. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.2Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was found in BlueChi, a multi-node systemd service controller used in RHIVOS. This flaw allows a user with root privileges on a managed node (qm) to create or override systemd service unit files that affect the host node. This issue can lead to privilege escalation, unauthorized service execution, and potential system compromise.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

December 24, 2025

Last Modified

June 29, 2026

Advisory Details (5)

Auto-updated Jun 25, 2026
Patch available. Sources: redhat, github_commit, github_pr.
github_pr Patch Available

Added whitelist for nodes of proxy services

Patch available: eclipse-bluechi/bluechi v1.0.0 (PR #1073 merged 2025-05-22)

https://github.com/eclipse-bluechi/bluechi/pull/1073
generic

RFE: Make proxy-service feature configurable · Issue #1069 · eclipse-bluechi/bluechi · GitHub

https://github.com/eclipse-bluechi/bluechi/issues/1069
github_commit Patch Available

commit fe0d28301ce2 (eclipse-bluechi/bluechi)

Patch available: eclipse-bluechi/bluechi v1.0.0 (contains commit fe0d28301ce2)

https://github.com/eclipse-bluechi/bluechi/commit/fe0d28301ce2bd45f0b1d8a98a94efef799fbc73#diff-64140c83db42a8888f346a40de293b80f79ebf7d75ce4137b22567e360bce607
redhat

2353313 – (CVE-2025-2515) CVE-2025-2515 bluechi: Privilege Escalation in BlueChi via Unrestricted Cross-Node Systemd Dependencies

https://bugzilla.redhat.com/show_bug.cgi?id=2353313
redhat Patch Available

cve-details

https://access.redhat.com/security/cve/CVE-2025-2515

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 42× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 132 total refreshes for this CVE.

  1. 2026-07-30 01:29 UTCEPSS rescore
  2. 2026-07-28 15:35 UTCEPSS rescore
  3. 2026-07-27 14:12 UTCEPSS rescore
  4. 2026-07-27 03:39 UTCOSV refresh
  5. 2026-07-26 14:53 UTCEPSS rescore
  6. 2026-07-25 14:17 UTCEPSS rescore
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  8. 2026-07-23 02:51 UTCEG score recompute
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  25. 2026-07-13 22:29 UTCEPSS rescore
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  1. 2026-07-13 06:12 UTCEPSS rescore
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  5. 2026-07-11 08:27 UTCEPSS rescore
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  7. 2026-07-09 21:47 UTCOSV refresh
  8. 2026-07-09 19:09 UTCEPSS rescore
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  18. 2026-06-29 14:06 UTCEPSS rescore
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  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-25 13:49 UTCEPSS rescore
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  32. 2026-06-21 14:56 UTCEPSS rescore
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  34. 2026-06-21 08:01 UTCOSV refresh
  35. 2026-06-21 01:59 UTCEPSS rescore
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  37. 2026-06-19 19:25 UTCEPSS rescore
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  45. 2026-06-14 23:17 UTCEPSS rescore
  46. 2026-06-13 23:00 UTCEPSS rescore
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  48. 2026-06-12 23:11 UTCEPSS rescore
  49. 2026-06-11 13:59 UTCEPSS rescore
  50. 2026-06-10 22:18 UTCEPSS rescore
  51. 2026-06-10 13:22 UTCEPSS rescore
  52. 2026-06-08 14:16 UTCEPSS rescore
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  54. 2026-06-07 15:24 UTCEPSS rescore
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  56. 2026-06-06 13:47 UTCEPSS rescore
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  64. 2026-06-02 20:12 UTCEPSS rescore
  65. 2026-06-01 21:52 UTCOSV refresh
  66. 2026-06-01 13:51 UTCEPSS rescore
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  68. 2026-05-31 22:30 UTCEPSS rescore
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  70. 2026-05-31 00:16 UTCEPSS rescore
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  72. 2026-05-29 13:44 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-2515?
CVE-2025-2515 is a high vulnerability published on December 24, 2025. A vulnerability was found in BlueChi, a multi-node systemd service controller used in RHIVOS. This flaw allows a user with root privileges on a managed node (qm) to create or override systemd service unit files that affect the host node. This issue can lead to privilege escalation, unauthorized…
When was CVE-2025-2515 disclosed?
CVE-2025-2515 was first published in the National Vulnerability Database on December 24, 2025, with the most recent update on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-2515 actively exploited?
CVE-2025-2515 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 92.1% of all scored CVEs.
What is the CVSS score of CVE-2025-2515?
CVE-2025-2515 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2025-2515?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-2515, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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