CVE-2022-26562
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.018 Low
EPSS
Percentile
88.4%
An issue in provider/libserver/ECKrbAuth.cpp of Kopano Core <= v11.0.2.51 contains an issue which allows attackers to authenticate even if the user account or password is expired. It also exists in the predecessor Zarafa Collaboration Platform (ZCP) in provider/libserver/ECPamAuth.cpp of Zarafa >= 6.30 (introduced between 6.30.0 RC1e and 6.30.8 final).
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| kopano:groupware_core | kopano groupware core | eq | 11.0.2.51 |
References
bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-342b96903b
bugzilla.redhat.com/show_bug.cgi?id=2192126
github.com/Kopano-dev/kopano-core/blob/master/provider/libserver/ECKrbAuth.cpp#L137
jira.kopano.io/browse/KC-2021
kopano.com/
lists.debian.org/debian-lts-announce/2023/03/msg00006.html
src.fedoraproject.org/rpms/zarafa/c/a5a8366ccf07f248fae6edffb5123cfda579bfdb?branch=epel7
stash.kopano.io/projects/KC/repos/kopanocore/browse/provider/libserver/ECKrbAuth.cpp#137
Related
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.018 Low
EPSS
Percentile
88.4%