CVE-2021-30130

2021-04-0600:00:00

ubuntu.com

phpseclib

rsa

signature verification

vulnerability

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.003

Percentile

68.4%

JSON

phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5
signature verification.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchphp-phpseclib< anyUNKNOWN
ubuntu20.04noarchphp-phpseclib< anyUNKNOWN
ubuntu22.04noarchphp-phpseclib< anyUNKNOWN
ubuntu24.04noarchphp-phpseclib< anyUNKNOWN
ubuntu16.04noarchphp-phpseclib< anyUNKNOWN
ubuntu22.04noarchphp-phpseclib3< anyUNKNOWN
ubuntu24.04noarchphp-phpseclib3< anyUNKNOWN
ubuntu18.04noarchphpseclib< anyUNKNOWN
ubuntu20.04noarchphpseclib< anyUNKNOWN
ubuntu22.04noarchphpseclib< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	php-phpseclib	< any	UNKNOWN
ubuntu	20.04	noarch	php-phpseclib	< any	UNKNOWN
ubuntu	22.04	noarch	php-phpseclib	< any	UNKNOWN
ubuntu	24.04	noarch	php-phpseclib	< any	UNKNOWN
ubuntu	16.04	noarch	php-phpseclib	< any	UNKNOWN
ubuntu	22.04	noarch	php-phpseclib3	< any	UNKNOWN
ubuntu	24.04	noarch	php-phpseclib3	< any	UNKNOWN
ubuntu	18.04	noarch	phpseclib	< any	UNKNOWN
ubuntu	20.04	noarch	phpseclib	< any	UNKNOWN
ubuntu	22.04	noarch	phpseclib	< any	UNKNOWN