CVE-2024-30171

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 72% 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
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.9Exploit: NoneExposed: 0

A fix is available — apply it.

An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.

CVSS v3
5.9
EG Score
5.9(medium)
EPSS
55.5%
KEV
Not listed

Published

May 14, 2024

Last Modified

April 15, 2026

References (8)

Vendor Advisories for CVE-2024-30171(5)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(9)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibbcprov-java-doc (1.51-4ubuntu1+esm1) @ xenial2026-05-22ubuntu
redhatorg.bouncycastle-bcprov-jdk18on2024-08-15redhat
redhateap8-bouncycastle-0:1.78.1-1.redhat_00001.1.el8eap2024-08-15redhat
redhateap8-yasson-0:3.0.3-3.redhat_00002.1.el9eap2024-08-15redhat
redhateap7-bouncycastle-0:1.78.1-1.redhat_00002.1.el8eap2024-08-08redhat
redhateap7-bouncycastle-0:1.78.1-1.redhat_00002.1.el7eap2024-08-08redhat
redhateap7-bouncycastle-0:1.78.1-1.redhat_00002.1.el9eap2024-08-08redhat
redhatcryostat-tech-preview/jfr-datasource-rhel8:3.0.0-22024-07-08redhat
redhatorg.bouncycastle/bcprov-jdk18on:1.78.1.redhat-000022024-07-08redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(10 across 2 ecosystems)
Maven(8)
PackageVulnerable rangeFixed inDependents
org.bouncycastle:bcprov-jdk141.38 ... 1.77 (34 versions)1.78—
org.bouncycastle:bcprov-jdk15on1.46 ... 1.70 (26 versions)1.78—
org.bouncycastle:bcprov-jdk15to181.63 ... 1.77 (15 versions)1.78—
org.bouncycastle:bcprov-jdk18on1.71 ... 1.77 (8 versions)1.78—
org.bouncycastle:bctls-fips1.0.0 ... 1.0.9 (29 versions)1.0.19—
org.bouncycastle:bctls-jdk141.61 ... 1.77 (16 versions)1.78—
org.bouncycastle:bctls-jdk15to181.63 ... 1.77 (15 versions)1.78—
org.bouncycastle:bctls-jdk18on1.71 ... 1.77 (8 versions)1.78—
NuGet(2)
PackageVulnerable rangeFixed inDependents
BouncyCastle1.7.0 ... 1.8.9 (10 versions)——
BouncyCastle.Cryptography2.0.0 ... 2.3.0 (6 versions)2.3.1—

Weakness Classification(1)

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

Additional Vendor Advisories

(8)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 12× in last 7d / 51× 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 112 total refreshes for this CVE.

  1. 2026-07-11 08:26 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-11 06:11 UTCOSV refresh
  4. 2026-07-09 19:09 UTCEPSS rescore
  5. 2026-07-08 15:13 UTCEPSS rescore
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  1. 2026-06-25 13:48 UTCEPSS rescore
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  6. 2026-06-22 14:25 UTCEPSS rescore
  7. 2026-06-22 14:24 UTCEPSS rescore
  8. 2026-06-22 12:56 UTCOSV refresh
  9. 2026-06-21 14:55 UTCEPSS rescore
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  11. 2026-06-21 01:58 UTCEPSS rescore
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  21. 2026-06-15 17:47 UTCEPSS rescore
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  25. 2026-06-12 23:11 UTCEPSS rescore
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  27. 2026-06-11 13:59 UTCEPSS rescore
  28. 2026-06-10 22:17 UTCEPSS rescore
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  31. 2026-06-08 14:16 UTCEPSS rescore
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  38. 2026-06-05 06:09 UTCEPSS rescore
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  40. 2026-06-04 20:09 UTCOSV refresh
  41. 2026-06-04 13:11 UTCEPSS rescore
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  44. 2026-06-02 20:12 UTCEPSS rescore
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  46. 2026-06-01 13:51 UTCEPSS rescore
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  49. 2026-05-31 22:30 UTCEPSS rescore
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  64. 2026-05-23 00:10 UTCEG score recompute
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  69. 2026-05-22 02:08 UTCEG score recompute
  70. 2026-05-22 02:08 UTCVendor advisory
  71. 2026-05-21 22:42 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2024-30171?
CVE-2024-30171 is a medium vulnerability published on May 14, 2024. An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.
When was CVE-2024-30171 disclosed?
CVE-2024-30171 was first published in the National Vulnerability Database on May 14, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-30171 actively exploited?
CVE-2024-30171 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 55.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-30171?
CVE-2024-30171 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2024-30171?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-30171, 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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