Missing Authorization Checks in LiderAhenk

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Summary

CVECVE-2021-3825
StatePUBLISHED
AssignerTR-CERT
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-10-01 15:15:07 UTC
Updated2026-05-18 09:16:22 UTC
DescriptionOn 2.1.15 version and below of Lider module in LiderAhenk software is leaking it's configurations via an unsecured API. An attacker with an access to the configurations API could get valid LDAP credentials.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.004840000 probability, percentile 0.654850000 (date 2026-05-25)

Problem Types: CWE-306 | CWE-306 CWE-306 Missing Authentication for Critical Function

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1[email protected]Secondary9.6CRITICALCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS9.6CRITICALCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Pardus Liderahenk All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TUBITAK Lider affected unspecified 2.1.16 custom Not specified

References

ReferenceSourceLinkTags
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-21-0795 [email protected] siberguvenlik.gov.tr
LiderAhenk 0day – All your PARDUS Clients Belongs To Me – Pentest Blog af854a3a-2127-422b-91ae-364da2661108 pentest.blog Exploit, Third Party Advisory
Ulusal Siber Olaylara Müdahale Merkezi - USOM af854a3a-2127-422b-91ae-364da2661108 www.usom.gov.tr Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Mehmet INCE from PRODAFT (en)

Additional Advisory Data

Solutions

CNA: Lider component should be updated to 2.1.16.

Exploits

CNA: https://github.com/mdisec/pardus-liderahenk-0day-RCE

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