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amazonAmazonALAS-2021-1531
HistorySep 02, 2021 - 10:54 p.m.

Important: openvpn

2021-09-0222:54:00
alas.aws.amazon.com
16
openvpn
authentication bypass
access control
cve-2020-15078
update
information leaks

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.029

Percentile

90.8%

JSON

Issue Overview:

OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks. (CVE-2020-15078)

Affected Packages:

openvpn

Issue Correction:
Run yum update openvpn to update your system.

New Packages:

i686:  
    openvpn-devel-2.4.11-1.48.amzn1.i686  
    openvpn-2.4.11-1.48.amzn1.i686  
    openvpn-debuginfo-2.4.11-1.48.amzn1.i686  
  
src:  
    openvpn-2.4.11-1.48.amzn1.src  
  
x86_64:  
    openvpn-debuginfo-2.4.11-1.48.amzn1.x86_64  
    openvpn-2.4.11-1.48.amzn1.x86_64  
    openvpn-devel-2.4.11-1.48.amzn1.x86_64

Additional References

Red Hat: CVE-2020-15078

Mitre: CVE-2020-15078

Related

redos 12
fedora 3
openvas 10
nvd 1
mageia 1
debiancve 1
cvelist 1
gentoo 1
prion 1
nessus 9
osv 3
freebsd 1
alpinelinux 1
ubuntucve 1
veracode 1
cve 1
ubuntu 1
suse 1
debian 1
ibm 1
redos
redos
ROS-2-816
2021-12-24 00:00:00
ROS-2-511
2024-03-13 00:00:00
ROS-2-516
2021-09-08 00:00:00
fedora
fedora
[SECURITY] Fedora 34 Update: openvpn-2.5.2-1.fc34
2021-04-26 00:27:08
[SECURITY] Fedora 32 Update: openvpn-2.4.11-1.fc32
2021-04-29 01:22:33
[SECURITY] Fedora 33 Update: openvpn-2.4.11-1.fc33
2021-04-24 18:07:09
openvas
openvas
Fedora: Security Advisory for openvpn (FEDORA-2021-b805c26afa)
2021-04-26 00:00:00
Fedora: Security Advisory for openvpn (FEDORA-2021-242ef81244)
2021-04-25 00:00:00
Fedora: Security Advisory for openvpn (FEDORA-2021-d6b9d8497b)
2021-05-01 00:00:00
nvd
nvd
CVE-2020-15078
2021-04-26 14:15:08
mageia
mageia
Updated openvpn packages fix a security vulnerability
2021-06-29 20:31:40
debiancve
debiancve
CVE-2020-15078
2021-04-26 14:15:08
cvelist
cvelist
CVE-2020-15078
2021-04-26 13:19:45
gentoo
gentoo
OpenVPN: Authentication bypass
2021-05-26 00:00:00
prion
prion
Authentication flaw
2021-04-26 14:15:00
nessus
nessus
Amazon Linux AMI : openvpn (ALAS-2021-1531)
2021-09-09 00:00:00
FreeBSD : openvpn -- deferred authentication can be bypassed in specific circumstances (efb965be-a2c0-11eb-8956-1951a8617e30)
2021-04-22 00:00:00
GLSA-202105-25 : OpenVPN: Authentication bypass
2022-01-24 00:00:00
osv
osv
CVE-2020-15078
2021-04-26 14:15:08
openvpn vulnerabilities
2021-05-04 11:59:09
openvpn - security update
2022-05-03 00:00:00
freebsd
freebsd
openvpn -- deferred authentication can be bypassed in specific circumstances
2021-03-02 00:00:00
alpinelinux
alpinelinux
CVE-2020-15078
2021-04-26 14:15:08
ubuntucve
ubuntucve
CVE-2020-15078
2021-04-26 00:00:00
veracode
veracode
Information Disclosure
2021-04-29 19:55:48
cve
cve
CVE-2020-15078
2021-04-26 14:15:08
ubuntu
ubuntu
OpenVPN vulnerabilities
2021-05-04 00:00:00
suse
suse
Security update for openvpn (moderate)
2021-05-15 00:00:00
debian
debian
[SECURITY] [DLA 2992-1] openvpn security update
2022-05-03 12:18:13
ibm
ibm
Security Bulletin: A vulnerability was identified and remediated in the IBM MaaS360 Cloud Extender (V2.103.000.051) and Modules
2021-08-10 20:52:02

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.029

Percentile

90.8%

JSON
Related for ALAS-2021-1531
redos12fedora3openvas10nvd1mageia1debiancve1cvelist1gentoo1prion1nessus9osv3freebsd1alpinelinux1ubuntucve1veracode1cve1ubuntu1suse1debian1ibm1