CVE-2023-20888

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because EPSS predicts 82% probability of exploitation within the next 30 days (top 0.4% of all CVEs). NVD baseline CVSS 8.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Elevated
8.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 82%
CISA-KEV: Not listedEPSS: 82%CVSS: 8.8Exploit: NoneExposed: 0

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

Aria Operations for Networks contains an authenticated deserialization vulnerability. A malicious actor with network access to VMware Aria Operations for Networks and valid 'member' role credentials may be able to perform a deserialization attack resulting in remote code execution.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
73(Track)
EG Risk 73/100SSVC: 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
Severity90% × 45%
Exploitation82% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
99.6%
KEV
Not listed

Published

June 7, 2023

Last Modified

January 7, 2025

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 21× 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 02:18 UTCEG score recompute▲ 0.20
  2. 2026-07-22 23:05 UTCEG score recompute▼ 0.20
  3. 2026-07-22 14:06 UTCEPSS rescore
  4. 2026-07-21 15:23 UTCEPSS rescore
  5. 2026-07-20 17:05 UTCEPSS rescore
  6. 2026-07-19 14:29 UTCEPSS rescore
  7. 2026-07-19 14:29 UTCEPSS rescore
  8. 2026-07-15 16:56 UTCEPSS rescore
  9. 2026-07-15 01:58 UTCEPSS rescore
  10. 2026-07-15 01:58 UTCEPSS rescore
  11. 2026-07-11 08:25 UTCEPSS rescore
  12. 2026-07-11 08:25 UTCEPSS rescore
  13. 2026-07-08 15:13 UTCEPSS rescore
  14. 2026-07-04 06:29 UTCEPSS rescore
  15. 2026-07-04 06:29 UTCEPSS rescore
  16. 2026-07-01 15:04 UTCEPSS rescore
  17. 2026-06-28 14:06 UTCEPSS rescore
  18. 2026-06-28 14:06 UTCEPSS rescore
  19. 2026-06-27 03:07 UTCEPSS rescore
  20. 2026-06-24 14:03 UTCEPSS rescore
  21. 2026-06-24 14:03 UTCEPSS rescore
  22. 2026-06-23 21:31 UTCEPSS rescore
  23. 2026-06-23 21:31 UTCEPSS rescore
  24. 2026-06-21 14:55 UTCEPSS rescore
  25. 2026-06-21 14:55 UTCEPSS rescore
Show 33 more
  1. 2026-06-21 01:58 UTCEPSS rescore
  2. 2026-06-21 01:58 UTCEPSS rescore
  3. 2026-06-17 17:51 UTCEPSS rescore
  4. 2026-06-17 17:51 UTCEPSS rescore
  5. 2026-06-15 17:47 UTCEPSS rescore
  6. 2026-06-13 22:59 UTCEPSS rescore
  7. 2026-06-12 23:10 UTCEPSS rescore
  8. 2026-06-10 22:17 UTCEPSS rescore
  9. 2026-06-10 13:21 UTCEPSS rescore
  10. 2026-06-10 13:21 UTCEPSS rescore
  11. 2026-06-08 14:15 UTCEPSS rescore
  12. 2026-06-08 14:15 UTCEPSS rescore
  13. 2026-06-06 13:46 UTCEPSS rescore
  14. 2026-06-06 13:46 UTCEPSS rescore
  15. 2026-06-05 22:46 UTCEPSS rescore
  16. 2026-06-05 22:46 UTCEPSS rescore
  17. 2026-06-05 22:46 UTCEPSS rescore
  18. 2026-06-05 06:09 UTCEPSS rescore
  19. 2026-06-05 06:09 UTCEPSS rescore
  20. 2026-06-04 13:11 UTCEPSS rescore
  21. 2026-06-04 13:11 UTCEPSS rescore
  22. 2026-06-01 13:51 UTCEPSS rescore
  23. 2026-06-01 13:50 UTCEPSS rescore
  24. 2026-05-29 13:43 UTCEPSS rescore
  25. 2026-05-29 13:43 UTCEPSS rescore
  26. 2026-05-28 13:43 UTCEPSS rescore
  27. 2026-05-28 13:43 UTCEPSS rescore
  28. 2026-05-26 07:18 UTCEPSS rescore
  29. 2026-05-26 07:17 UTCEPSS rescore
  30. 2026-05-26 07:17 UTCEPSS rescore
  31. 2026-05-24 23:50 UTCEG score recompute
  32. 2026-05-24 23:50 UTCGHSA enrichment
  33. 2026-05-24 03:02 UTCOSV refresh

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2023/CVE-2023-20888.yaml
    First seen Jan 1, 2023

    VMware Aria Operations for Networks - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-20888?
CVE-2023-20888 is a high vulnerability published on June 7, 2023. Aria Operations for Networks contains an authenticated deserialization vulnerability. A malicious actor with network access to VMware Aria Operations for Networks and valid 'member' role credentials may be able to perform a deserialization attack resulting in remote code execution.
When was CVE-2023-20888 disclosed?
CVE-2023-20888 was first published in the National Vulnerability Database on June 7, 2023, with the most recent update on January 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-20888 actively exploited?
CVE-2023-20888 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-20888?
CVE-2023-20888 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
How do I remediate CVE-2023-20888?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-20888, 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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