CVE-2015-8023

The server implementation of the EAP-MSCHAPv2 protocol in the eap-mschapv2 plugin in strongSwan 4.2.12 through 5.x before 5.3.4 does not properly validate local state, which allows remote attackers to bypass authentication via an empty Success message in response to an initial Challenge message.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 74%
Affected Products (NVD)
VendorProductVersion
canonicalubuntu_linux
14.04
canonicalubuntu_linux
15.04
canonicalubuntu_linux
15.10
strongswanstrongswan
4.2.12
strongswanstrongswan
4.2.13
strongswanstrongswan
4.2.14
strongswanstrongswan
4.2.15
strongswanstrongswan
4.2.16
strongswanstrongswan
4.3.0
strongswanstrongswan
4.3.1
strongswanstrongswan
4.3.2
strongswanstrongswan
4.3.3
strongswanstrongswan
4.3.4
strongswanstrongswan
4.3.5
strongswanstrongswan
4.3.6
strongswanstrongswan
4.3.7
strongswanstrongswan
4.4.0
strongswanstrongswan
4.4.1
strongswanstrongswan
4.5.0
strongswanstrongswan
4.5.1
strongswanstrongswan
4.5.2
strongswanstrongswan
4.5.3
strongswanstrongswan
4.6.0
strongswanstrongswan
4.6.1
strongswanstrongswan
4.6.2
strongswanstrongswan
4.6.3
strongswanstrongswan
4.6.4
strongswanstrongswan
5.0.0
strongswanstrongswan
5.0.1
strongswanstrongswan
5.0.2
strongswanstrongswan
5.0.3
strongswanstrongswan
5.0.4
strongswanstrongswan
5.1.0
strongswanstrongswan
5.1.1
strongswanstrongswan
5.1.2
strongswanstrongswan
5.1.3
strongswanstrongswan
5.2.0
strongswanstrongswan
5.2.1
strongswanstrongswan
5.2.2
strongswanstrongswan
5.2.3
strongswanstrongswan
5.3.0
strongswanstrongswan
5.3.1
strongswanstrongswan
5.3.2
strongswanstrongswan
5.3.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
strongswan
bookworm
5.9.8-5+deb12u1
fixed
bookworm (security)
5.9.8-5+deb12u1
fixed
bullseye
5.9.1-1+deb11u4
fixed
bullseye (security)
5.9.1-1+deb11u4
fixed
sid
5.9.13-2
fixed
trixie
5.9.13-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
strongswan
precise
ignored
trusty
Fixed 5.1.2-0ubuntu2.4
released
vivid
Fixed 5.1.2-0ubuntu5.3
released
wily
Fixed 5.1.2-0ubuntu6.2
released
xenial
Fixed 5.1.2-0ubuntu7
released
yakkety
Fixed 5.1.2-0ubuntu7
released
zesty
Fixed 5.1.2-0ubuntu7
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
strongswan
suse enterprise desktop 15
5.6.0-2.43
fixed
suse enterprise desktop 15 SP1
5.6.0-2.43
fixed
suse enterprise desktop 15 SP2
5.8.2-9.2
fixed
suse enterprise desktop 15 SP3
5.8.2-11.8.4
fixed
suse enterprise desktop 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise desktop 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise desktop 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise desktop 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise sap 12
5.1.3-22.1
fixed
suse enterprise sap 12 SP1
5.1.3-22.1
fixed
suse enterprise sap 12 SP5
5.1.3-26.5.1
fixed
suse enterprise sap 15
5.6.0-2.43
fixed
suse enterprise sap 15 SP1
5.6.0-2.43
fixed
suse enterprise sap 15 SP2
5.8.2-9.2
fixed
suse enterprise sap 15 SP3
5.8.2-11.8.4
fixed
suse enterprise sap 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise sap 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise sap 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise sap 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise server 12
5.1.3-22.1
fixed
suse enterprise server 12 SP1
5.1.3-22.1
fixed
suse enterprise server 12 SP2
5.1.3-22.1
fixed
suse enterprise server 12 SP4
5.1.3-26.5.1
fixed
suse enterprise server 12 SP5
5.1.3-26.5.1
fixed
suse enterprise server 15
5.6.0-2.43
fixed
suse enterprise server 15 SP1
5.6.0-2.43
fixed
suse enterprise server 15 SP2
5.8.2-9.2
fixed
suse enterprise server 15 SP3
5.8.2-11.8.4
fixed
suse enterprise server 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise server 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise server 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise server 15 SP7
5.9.14-150700.1.42
fixed
strongswan-doc
suse enterprise desktop 15
5.6.0-2.43
fixed
suse enterprise desktop 15 SP1
5.6.0-2.43
fixed
suse enterprise desktop 15 SP2
5.8.2-9.2
fixed
suse enterprise desktop 15 SP3
5.8.2-11.8.4
fixed
suse enterprise desktop 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise desktop 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise desktop 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise desktop 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise sap 12
5.1.3-22.1
fixed
suse enterprise sap 12 SP1
5.1.3-22.1
fixed
suse enterprise sap 12 SP5
5.1.3-26.5.1
fixed
suse enterprise sap 15
5.6.0-2.43
fixed
suse enterprise sap 15 SP1
5.6.0-2.43
fixed
suse enterprise sap 15 SP2
5.8.2-9.2
fixed
suse enterprise sap 15 SP3
5.8.2-11.8.4
fixed
suse enterprise sap 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise sap 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise sap 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise sap 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise server 12
5.1.3-22.1
fixed
suse enterprise server 12 SP1
5.1.3-22.1
fixed
suse enterprise server 12 SP2
5.1.3-22.1
fixed
suse enterprise server 12 SP4
5.1.3-26.5.1
fixed
suse enterprise server 12 SP5
5.1.3-26.5.1
fixed
suse enterprise server 15
5.6.0-2.43
fixed
suse enterprise server 15 SP1
5.6.0-2.43
fixed
suse enterprise server 15 SP2
5.8.2-9.2
fixed
suse enterprise server 15 SP3
5.8.2-11.8.4
fixed
suse enterprise server 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise server 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise server 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise server 15 SP7
5.9.14-150700.1.42
fixed
strongswan-hmac
suse enterprise desktop 15
5.6.0-2.43
fixed
suse enterprise desktop 15 SP1
5.6.0-2.43
fixed
suse enterprise desktop 15 SP2
5.8.2-9.2
fixed
suse enterprise desktop 15 SP3
5.8.2-11.8.4
fixed
suse enterprise desktop 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise desktop 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise desktop 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise desktop 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise sap 12
5.1.3-22.1
fixed
suse enterprise sap 12 SP1
5.1.3-22.1
fixed
suse enterprise sap 12 SP5
5.1.3-26.5.1
fixed
suse enterprise sap 15
5.6.0-2.43
fixed
suse enterprise sap 15 SP1
5.6.0-2.43
fixed
suse enterprise sap 15 SP2
5.8.2-9.2
fixed
suse enterprise sap 15 SP3
5.8.2-11.8.4
fixed
suse enterprise sap 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise sap 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise sap 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise sap 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise server 12
5.1.3-22.1
fixed
suse enterprise server 12 SP1
5.1.3-22.1
fixed
suse enterprise server 12 SP2
5.1.3-22.1
fixed
suse enterprise server 12 SP4
5.1.3-26.5.1
fixed
suse enterprise server 12 SP5
5.1.3-26.5.1
fixed
suse enterprise server 15
5.6.0-2.43
fixed
suse enterprise server 15 SP1
5.6.0-2.43
fixed
suse enterprise server 15 SP2
5.8.2-9.2
fixed
suse enterprise server 15 SP3
5.8.2-11.8.4
fixed
suse enterprise server 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise server 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise server 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise server 15 SP7
5.9.14-150700.1.42
fixed
strongswan-ipsec
suse enterprise desktop 15
5.6.0-2.43
fixed
suse enterprise desktop 15 SP1
5.6.0-2.43
fixed
suse enterprise desktop 15 SP2
5.8.2-9.2
fixed
suse enterprise desktop 15 SP3
5.8.2-11.8.4
fixed
suse enterprise desktop 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise desktop 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise desktop 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise desktop 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise sap 12
5.1.3-22.1
fixed
suse enterprise sap 12 SP1
5.1.3-22.1
fixed
suse enterprise sap 12 SP5
5.1.3-26.5.1
fixed
suse enterprise sap 15
5.6.0-2.43
fixed
suse enterprise sap 15 SP1
5.6.0-2.43
fixed
suse enterprise sap 15 SP2
5.8.2-9.2
fixed
suse enterprise sap 15 SP3
5.8.2-11.8.4
fixed
suse enterprise sap 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise sap 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise sap 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise sap 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise server 12
5.1.3-22.1
fixed
suse enterprise server 12 SP1
5.1.3-22.1
fixed
suse enterprise server 12 SP2
5.1.3-22.1
fixed
suse enterprise server 12 SP4
5.1.3-26.5.1
fixed
suse enterprise server 12 SP5
5.1.3-26.5.1
fixed
suse enterprise server 15
5.6.0-2.43
fixed
suse enterprise server 15 SP1
5.6.0-2.43
fixed
suse enterprise server 15 SP2
5.8.2-9.2
fixed
suse enterprise server 15 SP3
5.8.2-11.8.4
fixed
suse enterprise server 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise server 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise server 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise server 15 SP7
5.9.14-150700.1.42
fixed
strongswan-libs0
suse enterprise desktop 15
5.6.0-2.43
fixed
suse enterprise desktop 15 SP1
5.6.0-2.43
fixed
suse enterprise desktop 15 SP2
5.8.2-9.2
fixed
suse enterprise desktop 15 SP3
5.8.2-11.8.4
fixed
suse enterprise desktop 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise desktop 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise desktop 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise desktop 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise sap 12
5.1.3-22.1
fixed
suse enterprise sap 12 SP1
5.1.3-22.1
fixed
suse enterprise sap 12 SP5
5.1.3-26.5.1
fixed
suse enterprise sap 15
5.6.0-2.43
fixed
suse enterprise sap 15 SP1
5.6.0-2.43
fixed
suse enterprise sap 15 SP2
5.8.2-9.2
fixed
suse enterprise sap 15 SP3
5.8.2-11.8.4
fixed
suse enterprise sap 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise sap 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise sap 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise sap 15 SP7
5.9.14-150700.1.42
fixed
suse enterprise server 12
5.1.3-22.1
fixed
suse enterprise server 12 SP1
5.1.3-22.1
fixed
suse enterprise server 12 SP2
5.1.3-22.1
fixed
suse enterprise server 12 SP4
5.1.3-26.5.1
fixed
suse enterprise server 12 SP5
5.1.3-26.5.1
fixed
suse enterprise server 15
5.6.0-2.43
fixed
suse enterprise server 15 SP1
5.6.0-2.43
fixed
suse enterprise server 15 SP2
5.8.2-9.2
fixed
suse enterprise server 15 SP3
5.8.2-11.8.4
fixed
suse enterprise server 15 SP4
5.8.2-150400.17.24
fixed
suse enterprise server 15 SP5
5.9.7-150500.3.4
fixed
suse enterprise server 15 SP6
5.9.12-150600.1.64
fixed
suse enterprise server 15 SP7
5.9.14-150700.1.42
fixed