CVE-2020-15522

unknown

Published 2021-08-13 · Modified 2026-02-04

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CVSS v3

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CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

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not yet in upstream

VIR risk

—

Description

Timing based private key exposure in Bouncy Castle

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`1.68-1`
sid	Fixed	`1.68-1`
forky	Fixed	`1.68-1`
bullseye	Fixed	`1.68-1`
bookworm	Fixed	`1.68-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.bouncycastle:bc-fips	`<1.0.2.1`	`1.0.2.1`
Maven	org.bouncycastle:bcprov-ext-jdk15on	`<1.66`	`1.66`
Maven	org.bouncycastle:bcprov-ext-jdk16	`<1.66`	`1.66`
Maven	org.bouncycastle:bcprov-jdk14	`<1.66`	`1.66`
Maven	org.bouncycastle:bcprov-jdk15	`<1.66`	`1.66`
Maven	org.bouncycastle:bcprov-jdk15on	`<1.66`	`1.66`
Maven	org.bouncycastle:bcprov-jdk15to18	`<1.66`	`1.66`
Maven	org.bouncycastle:bcprov-jdk16	`<1.66`	`1.66`
NuGet	BouncyCastle	`<1.8.7`	`1.8.7`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.