CVE-2023-2481

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory (severity: HIGH) published 2023-05-18. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

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

Compiler removal of buffer clearing in

sli_se_opaque_import_key

in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
38.8%
KEV
Not listed

Published

May 18, 2023

Last Modified

November 21, 2024

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 46× 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 103 total refreshes for this CVE.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
  4. 2026-07-20 17:06 UTCEPSS rescore
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  11. 2026-07-16 17:01 UTCEPSS rescore
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  13. 2026-07-15 19:53 UTCOSV refresh
  14. 2026-07-15 16:56 UTCEPSS rescore
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  1. 2026-07-09 19:08 UTCEPSS rescore
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  5. 2026-07-04 06:29 UTCEPSS rescore
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  13. 2026-06-28 04:54 UTCEPSS rescore
  14. 2026-06-27 20:34 UTCOSV refresh
  15. 2026-06-27 03:07 UTCEPSS rescore
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  22. 2026-06-22 14:24 UTCEPSS rescore
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  24. 2026-06-21 14:55 UTCEPSS rescore
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  26. 2026-06-21 01:58 UTCEPSS rescore
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  30. 2026-06-18 17:51 UTCEPSS rescore
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  40. 2026-06-12 23:10 UTCEPSS rescore
  41. 2026-06-11 13:59 UTCEPSS rescore
  42. 2026-06-10 22:17 UTCEPSS rescore
  43. 2026-06-10 13:21 UTCEPSS rescore
  44. 2026-06-10 13:21 UTCEPSS rescore
  45. 2026-06-10 07:17 UTCOSV refresh
  46. 2026-06-08 14:15 UTCEPSS rescore
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  48. 2026-06-07 15:23 UTCEPSS rescore
  49. 2026-06-07 15:23 UTCEPSS rescore
  50. 2026-06-06 13:46 UTCEPSS rescore
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  52. 2026-06-05 22:46 UTCEPSS rescore
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  54. 2026-06-05 06:09 UTCEPSS rescore
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  56. 2026-06-04 13:11 UTCEPSS rescore
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  67. 2026-05-29 13:43 UTCEPSS rescore
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  74. 2026-05-26 07:18 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2023-2481?
CVE-2023-2481 is a medium vulnerability published on May 18, 2023. Compiler removal of buffer clearing in sliseopaqueimportkey in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
When was CVE-2023-2481 disclosed?
CVE-2023-2481 was first published in the National Vulnerability Database on May 18, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-2481 actively exploited?
CVE-2023-2481 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-2481?
CVE-2023-2481 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2023-2481?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-2481, 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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