CVE-2021-30130

phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
VendorProductVersion
phpseclibphpseclib
𝑥
< 2.0.31
phpseclibphpseclib
3.0 ≤
𝑥
< 3.0.7
debiandebian_linux
10.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
php-phpseclib
bullseye
2.0.30-2+deb11u2
fixed
bullseye (security)
2.0.30-2+deb11u1
fixed
bookworm
2.0.42-1+deb12u2
fixed
bookworm (security)
2.0.42-1+deb12u1
fixed
sid
2.0.47-3
fixed
trixie
2.0.47-3
fixed
php-phpseclib3
bookworm
3.0.19-1+deb12u3
fixed
bookworm (security)
3.0.19-1+deb12u2
fixed
sid
3.0.42-1
fixed
trixie
3.0.42-1
fixed
phpseclib
bullseye
1.0.19-3+deb11u2
fixed
bullseye (security)
1.0.19-3+deb11u1
fixed
bookworm
1.0.20-1+deb12u2
fixed
bookworm (security)
1.0.20-1+deb12u1
fixed
sid
1.0.23-3
fixed
trixie
1.0.23-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
php-phpseclib
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
ignored
php-phpseclib3
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
focal
dne
bionic
dne
xenial
ignored
trusty
ignored
phpseclib
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
dne