CVE-2021-33621

The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
ruby-langcgi
𝑥
< 0.1.0.2
ruby-langcgi
0.2.0 ≤
𝑥
< 0.2.2
ruby-langcgi
0.3.0 ≤
𝑥
< 0.3.5
ruby-langruby
2.7.0 ≤
𝑥
< 2.7.7
ruby-langruby
3.0.0 ≤
𝑥
< 3.0.5
ruby-langruby
3.1.0 ≤
𝑥
< 3.1.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
ruby2.7
bullseye
vulnerable
bullseye (security)
2.7.4-1+deb11u2
fixed
ruby3.1
bookworm
3.1.2-7+deb12u1
fixed
bookworm (security)
3.1.2-7+deb12u1
fixed
sid
3.1.2-8.4
fixed
trixie
3.1.2-8.4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
jruby
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
dne
jammy
dne
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
ruby1.9.1
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
ignored
ruby2.0
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
ignored
ruby2.3
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
Fixed 2.3.1-2~ubuntu16.04.16+esm4
released
trusty
dne
ruby2.5
kinetic
dne
jammy
dne
focal
dne
bionic
Fixed 2.5.1-1ubuntu1.13
released
xenial
dne
trusty
dne
ruby2.7
kinetic
dne
jammy
dne
focal
Fixed 2.7.0-5ubuntu1.8
released
bionic
dne
xenial
dne
trusty
dne
ruby3.0
noble
dne
mantic
dne
lunar
dne
kinetic
Fixed 3.0.4-7ubuntu0.1
released
jammy
Fixed 3.0.2-7ubuntu2.3
released
focal
dne
bionic
dne
xenial
dne
trusty
dne
ruby3.1
noble
dne
mantic
not-affected
lunar
not-affected
kinetic
Fixed 3.1.2-2ubuntu0.22.10.1
released
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne