CVE-2023-32560

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 98.9%, top 0% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 99%
  • Public exploit code is available (Metasploit, epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 99%CVSS: 9.8Exploit: Metasploit · epss top5pct · epss high · public exploitExposed: 0

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

An attacker can send a specially crafted message to the Wavelink Avalanche Manager, which could result in service disruption or arbitrary code execution.

Thanks to a Researcher at Tenable for finding and reporting.

Fixed in version 6.4.1.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
84(Track)
EG Risk 84/100SSVC: 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
Severity98% × 45%
Exploitation99% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
99%
EPSS %ILE
100%
KEV
Not listed

Published

August 10, 2023

Last Modified

March 6, 2025

Advisory Details (2)

Auto-updated Aug 6, 2026
No patch confirmed yet.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 0× in last 7d / 3× 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.

  1. 2026-07-23 02:23 UTCEG score recompute
  2. 2026-07-22 23:10 UTCEG score recompute 0.80
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-09 19:08 UTCEPSS rescore
  5. 2026-07-09 19:08 UTCEPSS rescore
  6. 2026-07-01 15:04 UTCEPSS rescore
  7. 2026-06-15 17:47 UTCEPSS rescore
  8. 2026-06-12 23:10 UTCEPSS rescore
  9. 2026-06-12 23:10 UTCEPSS rescore
  10. 2026-06-10 22:17 UTCEPSS rescore
  11. 2026-06-04 13:11 UTCEPSS rescore
  12. 2026-06-04 13:11 UTCEPSS rescore
  13. 2026-05-29 13:43 UTCEPSS rescore
  14. 2026-05-29 13:43 UTCEPSS rescore
  15. 2026-05-28 13:43 UTCEPSS rescore
  16. 2026-05-28 13:43 UTCEPSS rescore
  17. 2026-05-27 13:39 UTCEPSS rescore
  18. 2026-05-24 19:36 UTCEG score recompute
  19. 2026-05-24 19:36 UTCGHSA enrichment

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-51699
    First seen Sep 4, 2023

    Ivanti Avalanche <v6.4.0.0 - Remote Code Execution

    Open source ↗
  • Metasploitexploit/windows/misc/ivanti_avalanche_mdm_bof✓ verified
    First seen Aug 14, 2023

    Ivanti Avalanche MDM Buffer Overflow

    Open source ↗

Frequently asked(5)

What is CVE-2023-32560?
CVE-2023-32560 is a critical vulnerability published on August 10, 2023. An attacker can send a specially crafted message to the Wavelink Avalanche Manager, which could result in service disruption or arbitrary code execution. Thanks to a Researcher at Tenable for finding and reporting. Fixed in version 6.4.1.
When was CVE-2023-32560 disclosed?
CVE-2023-32560 was first published in the National Vulnerability Database on August 10, 2023, with the most recent update on March 6, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-32560 actively exploited?
CVE-2023-32560 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99% probability of exploitation in the next 30 days, which ranks it in the top 0.1% of all scored CVEs.
What is the CVSS score of CVE-2023-32560?
CVE-2023-32560 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-32560?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-32560, 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.

Dependency Blast Radius

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