CVE & CISA-KEV Catalog

CVE-2022-26562

CRITICALEPSS 80th pctl
9.8
CVSS v3
NVD

Description

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).

CWE-287Improper Authentication

How to fix

Remediation Available
kopano-archiverUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-contactsUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-dagentUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-gatewayUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-icalUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-libsUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-monitorUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-serverUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-spoolerUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopano-utilsUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
kopanocoreUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
php-mapiUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1
python-mapiUbuntu
Fixed in:8.5.5-0ubuntu1+esm1USN-6876-1
python3-mapiUbuntu
Fixed in:8.7.0-7ubuntu1.1USN-6876-1
Fixed in:8.7.0-7.1ubuntu10.1USN-6876-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

2.12%probability of exploitation in 30 days
80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-35082Critical9.8100%KEV + RansomFix
CVE-2023-35078Critical9.8100%KEV + RansomFix
CVE-2017-7921Critical9.8100%KEV-
CVE-2024-7593Critical9.8100%KEV-
CVE-2023-46805High8.2100%KEV + Ransom-
CVE-2022-40684Critical9.8100%KEV + RansomFix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.