CVE-2020-0187

In engineSetMode of BaseBlockCipher.java, there is a possible incorrect cryptographic algorithm...

5.5 MediumFix available

In engineSetMode of BaseBlockCipher.java, there is a possible incorrect cryptographic algorithm chosen due to an incomplete comparison. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-148517383

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.16%Unchanged since Apr 14, 2021

What each source reports

NVD Score used 5.5

Record: CVE-2020-0187
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:P/I:N/A:N
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-0187
Updated: 2026-11-02

EUVDEUVD-2020-1691 No score

Record: EUVD-2020-1691
Updated: 2026-11-03

GitHub AdvisoriesGHSA-38v7-h5f5-66h2 No score

In engineSetMode of BaseBlockCipher.java, there is a possible incorrect cryptographic algorithm...

Record: GHSA-38v7-h5f5-66h2
Updated: 2026-11-02

OSVCLSA-2026-1774484515 No score

TuxCare security update for org.bouncycastle (1 CVE)

TuxCare rebuilt 12 org.bouncycastle packages to address 1 CVE. Fixed in 1.64-tuxcare.3.

Record: CLSA-2026-1774484515
Updated: 2026-11-02

Affected products

google android

Affected packages

Affected packages
Package	Affected	Fixed
`org.bouncycastle:bcmail-jdk14` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcmail-jdk15on` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcpg-jdk14` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcpg-jdk15on` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcpkix-jdk14` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcpkix-jdk15on` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcprov-ext-jdk14` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcprov-ext-jdk15on` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcprov-jdk14` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bcprov-jdk15on` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bctls-jdk14` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3
`org.bouncycastle:bctls-jdk15on` TuxCare:Maven	1.64 up to 1.64-tuxcare.3, plus listed versions 1.64-tuxcare.11.64-tuxcare.2	1.64-tuxcare.3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-0187 is a medium vulnerability (CVSS 5.5) in Google Android, published June 11, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. Fixed in org.bouncycastle:bcmail-jdk14 1.64-tuxcare.3.