CVE-2022-23535

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 51% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.3Exploit: NoneExposed: 0

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

LiteDB is a small, fast and lightweight .NET NoSQL embedded database. Versions prior to 5.0.13 are subject to Deserialization of Untrusted Data. LiteDB uses a special field in JSON documents to cast different types from BsonDocument to POCO classes. When instances of an object are not the same of class, BsonMapper use a special field _type string info with full class name with assembly to be loaded and fit into your model. If your end-user can send to your app a plain JSON string, deserialization can load an unsafe object to fit into your model. This issue is patched in version 5.0.13 with some basic fixes to avoid this, but is not 100% guaranteed when using Object type. The next major version will contain an allow-list to select what kind of Assembly can be loaded. Workarounds are detailed in the vendor advisory.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity73% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
49.3%
KEV
Not listed

Published

February 24, 2023

Last Modified

November 21, 2024

References (4)

Affected Packages

(1 across 1 ecosystem)
NuGet(1)
PackageVulnerable rangeFixed inDependents
LiteDB0.5.0 ... 5.0.9 (54 versions)5.0.13—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 48× 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 101 total refreshes for this CVE.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:08 UTCEG score recompute
  3. 2026-07-22 22:55 UTCEG score recompute
  4. 2026-07-22 14:06 UTCEPSS rescore
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  13. 2026-07-16 17:00 UTCEPSS rescore
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  15. 2026-07-16 04:49 UTCOSV refresh
  16. 2026-07-15 16:56 UTCEPSS rescore
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  1. 2026-07-08 15:12 UTCEPSS rescore
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  17. 2026-06-28 04:34 UTCOSV refresh
  18. 2026-06-27 03:07 UTCEPSS rescore
  19. 2026-06-25 13:48 UTCEPSS rescore
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  22. 2026-06-23 21:31 UTCEPSS rescore
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  24. 2026-06-22 14:24 UTCEPSS rescore
  25. 2026-06-21 14:55 UTCEPSS rescore
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  27. 2026-06-21 01:58 UTCEPSS rescore
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  29. 2026-06-19 19:24 UTCEPSS rescore
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  31. 2026-06-18 17:51 UTCEPSS rescore
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  36. 2026-06-15 17:46 UTCEPSS rescore
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  39. 2026-06-13 22:58 UTCEPSS rescore
  40. 2026-06-13 22:58 UTCEPSS rescore
  41. 2026-06-12 23:10 UTCEPSS rescore
  42. 2026-06-12 23:10 UTCEPSS rescore
  43. 2026-06-11 13:58 UTCEPSS rescore
  44. 2026-06-11 13:58 UTCEPSS rescore
  45. 2026-06-10 22:16 UTCEPSS rescore
  46. 2026-06-10 15:17 UTCOSV refresh
  47. 2026-06-10 13:20 UTCEPSS rescore
  48. 2026-06-08 14:15 UTCEPSS rescore
  49. 2026-06-08 14:15 UTCEPSS rescore
  50. 2026-06-07 15:23 UTCEPSS rescore
  51. 2026-06-07 15:23 UTCEPSS rescore
  52. 2026-06-06 13:46 UTCEPSS rescore
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  54. 2026-06-05 22:45 UTCEPSS rescore
  55. 2026-06-05 06:09 UTCEPSS rescore
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  57. 2026-06-04 13:11 UTCEPSS rescore
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  65. 2026-05-31 22:29 UTCEPSS rescore
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  67. 2026-05-31 00:15 UTCEPSS rescore
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  69. 2026-05-29 13:42 UTCEPSS rescore
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  73. 2026-05-27 13:39 UTCEPSS rescore
  74. 2026-05-27 13:39 UTCEPSS rescore
  75. 2026-05-26 13:43 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2022-23535?
CVE-2022-23535 is a high vulnerability published on February 24, 2023. LiteDB is a small, fast and lightweight .NET NoSQL embedded database. Versions prior to 5.0.13 are subject to Deserialization of Untrusted Data. LiteDB uses a special field in JSON documents to cast different types from BsonDocument to POCO classes. When instances of an object are not the same of…
When was CVE-2022-23535 disclosed?
CVE-2022-23535 was first published in the National Vulnerability Database on February 24, 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-2022-23535 actively exploited?
CVE-2022-23535 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 49.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-23535?
CVE-2022-23535 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2022-23535?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-23535, 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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