CVE-2008-2420

The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.8 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 64%
VendorProductVersion
stunnelstunnel
3.4a:a
stunnelstunnel
3.5
stunnelstunnel
3.6
stunnelstunnel
3.7
stunnelstunnel
3.8
stunnelstunnel
3.8p1:p1
stunnelstunnel
3.8p2:p2
stunnelstunnel
3.8p3:p3
stunnelstunnel
3.8p4:p4
stunnelstunnel
3.9
stunnelstunnel
3.10
stunnelstunnel
3.11
stunnelstunnel
3.12
stunnelstunnel
3.13
stunnelstunnel
3.14
stunnelstunnel
3.15
stunnelstunnel
3.16
stunnelstunnel
3.17
stunnelstunnel
3.18
stunnelstunnel
3.19
stunnelstunnel
3.20
stunnelstunnel
3.21
stunnelstunnel
3.21a:a
stunnelstunnel
3.21b:b
stunnelstunnel
3.21c:c
stunnelstunnel
3.22
stunnelstunnel
3.23
stunnelstunnel
3.24
stunnelstunnel
3.25
stunnelstunnel
3.26
stunnelstunnel
4.00
stunnelstunnel
4.01
stunnelstunnel
4.02
stunnelstunnel
4.03
stunnelstunnel
4.04
stunnelstunnel
4.05
stunnelstunnel
4.06
stunnelstunnel
4.07
stunnelstunnel
4.08
stunnelstunnel
4.09
stunnelstunnel
4.10
stunnelstunnel
4.11
stunnelstunnel
4.12
stunnelstunnel
4.13
stunnelstunnel
4.14
stunnelstunnel
4.15
stunnelstunnel
4.16
stunnelstunnel
4.17
stunnelstunnel
4.18
stunnelstunnel
4.19
stunnelstunnel
4.20
stunnelstunnel
4.21
stunnelstunnel
4.22
stunnelstunnel
4.23
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
stunnel4
bullseye
3:5.56+dfsg-10
fixed
bookworm
3:5.68-2+deb12u1
fixed
sid
3:5.73-1
fixed
trixie
3:5.73-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
stunnel4
oneiric
not-affected
natty
not-affected
maverick
not-affected
lucid
not-affected
karmic
not-affected
jaunty
not-affected
intrepid
not-affected
hardy
ignored
gutsy
ignored
feisty
ignored
dapper
ignored
Common Weakness Enumeration