CVE-2020-15522

Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.
Race Condition
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
Affected Products (NVD)
VendorProductVersion
bouncycastlebc-csharp
𝑥
< 1.8.7
bouncycastlebouncy_castle_fips_.net_api
𝑥
< 1.0.1.1
bouncycastlefips_java_api
𝑥
< 1.0.1.2
bouncycastlefips_java_api
1.0.2 ≤
𝑥
< 1.0.2.1
bouncycastlethe_bouncy_castle_crypto_package_for_java
𝑥
< 1.66
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
bouncycastle
bookworm
1.72-2
fixed
bullseye
1.68-2
fixed
buster
no-dsa
sid
1.77-1
fixed
stretch
no-dsa
trixie
1.77-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
bouncycastle
bionic
needs-triage
focal
needs-triage
groovy
ignored
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
bouncycastle
suse enterprise desktop 15 SP2
1.64-3.3.1
fixed
suse enterprise desktop 15 SP3
1.64-3.3.1
fixed
suse enterprise desktop 15 SP4
1.64-3.3.1
fixed
suse enterprise desktop 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP4
1.64-3.3.1
fixed
suse enterprise sap 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP4
1.64-3.3.1
fixed
suse enterprise server 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP7
1.71-150200.3.9.4
fixed
bouncycastle-pg
suse enterprise desktop 15 SP2
1.64-3.3.1
fixed
suse enterprise desktop 15 SP3
1.64-3.3.1
fixed
suse enterprise desktop 15 SP4
1.64-3.3.1
fixed
suse enterprise desktop 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP4
1.64-3.3.1
fixed
suse enterprise sap 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP4
1.64-3.3.1
fixed
suse enterprise server 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP7
1.71-150200.3.9.4
fixed
bouncycastle-pkix
suse enterprise desktop 15 SP4
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP4
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP4
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP7
1.71-150200.3.9.4
fixed
bouncycastle-util
suse enterprise desktop 15 SP4
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise desktop 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP4
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise sap 15 SP7
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP2
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP3
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP4
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP5
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP6
1.71-150200.3.9.4
fixed
suse enterprise server 15 SP7
1.71-150200.3.9.4
fixed