7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
dovecot is vulnerable to denial of service (DoS). The vulnerability exists as an malformed NOOP commands leads to DoS.
lists.opensuse.org/opensuse-security-announce/2020-05/msg00059.html
packetstormsecurity.com/files/157771/Open-Xchange-Dovecot-2.3.10-Null-Pointer-Dereference-Denial-Of-Service.html
seclists.org/fulldisclosure/2020/May/37
www.openwall.com/lists/oss-security/2020/05/18/1
access.redhat.com/errata/RHSA-2020:2901
access.redhat.com/security/updates/classification/#important
dovecot.org/security
lists.fedoraproject.org/archives/list/[email protected]/message/TTZN2VW55ZC2AQBGBJMLRJSZIKSB2NS6/
lists.fedoraproject.org/archives/list/[email protected]/message/VVUWHUUAFPC6XGIXYFIPTNBXLHPNM4W6/
usn.ubuntu.com/4361-1/
www.debian.org/security/2020/dsa-4690
www.openwall.com/lists/oss-security/2020/05/18/1
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P