CVE-2021-45915 - Vulnerability Details - OpenCVE

Description

In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.

Published: 2022-05-24

Score: 9.8 Critical

EPSS: 1.6% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:luxsoft:luxcal:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-32630	In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01598.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/h1pmnh
https://h1pmnh.github.io/post/cve-luxcal-2021/
https://twitter.com/h1pmnh
https://www.luxsoft.eu/index.php?pge=dload

History

No history.

Subscriptions

Luxsoft Luxcal

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-05-24T14:32:44.000Z

Updated: 2024-08-04T04:54:31.026Z

Reserved: 2021-12-28T00:00:00.000Z

Link: CVE-2021-45915

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-24T15:15:07.600

Modified: 2026-06-17T04:14:14.937

Link: CVE-2021-45915

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-05-24T14:32:44.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/h1pmnh"}, {"tags": ["x_refsource_MISC"], "url": "https://twitter.com/h1pmnh"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://www.luxsoft.eu/index.php?pge=dload"}, {"tags": ["x_refsource_MISC"], "url": "https://h1pmnh.github.io/post/cve-luxcal-2021/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-45915", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/h1pmnh", "refsource": "MISC", "url": "https://github.com/h1pmnh"}, {"name": "https://twitter.com/h1pmnh", "refsource": "MISC", "url": "https://twitter.com/h1pmnh"}, {"name": "https://www.luxsoft.eu/index.php?pge=dload", "refsource": "CONFIRM", "url": "https://www.luxsoft.eu/index.php?pge=dload"}, {"name": "https://h1pmnh.github.io/post/cve-luxcal-2021/", "refsource": "MISC", "url": "https://h1pmnh.github.io/post/cve-luxcal-2021/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:54:31.026Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/h1pmnh"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://twitter.com/h1pmnh"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.luxsoft.eu/index.php?pge=dload"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://h1pmnh.github.io/post/cve-luxcal-2021/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-45915", "datePublished": "2022-05-24T14:32:44.000Z", "dateReserved": "2021-12-28T00:00:00.000Z", "dateUpdated": "2024-08-04T04:54:31.026Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:luxsoft:luxcal:*:*:*:*:*:*:*:*", "matchCriteriaId": "0F3F6918-FDEC-4704-829C-4D7513C0C0D7", "versionEndExcluding": "5.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator."}, {"lang": "es", "value": "En LuxSoft LuxCal Web Calendar versiones anteriores a 5.2.0, un atacante no autenticado puede manipular el valor de una cookie. Esto permite que la sesi\u00f3n del atacante se autentique como cualquier usuario registrado de LuxCal, incluido el administrador del sitio"}], "id": "CVE-2021-45915", "lastModified": "2026-06-17T04:14:14.937", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-24T15:15:07.600", "references": [{"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://github.com/h1pmnh"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://h1pmnh.github.io/post/cve-luxcal-2021/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://twitter.com/h1pmnh"}, {"source": "cve@mitre.org", "tags": ["Product", "Release Notes", "Vendor Advisory"], "url": "https://www.luxsoft.eu/index.php?pge=dload"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://github.com/h1pmnh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://h1pmnh.github.io/post/cve-luxcal-2021/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://twitter.com/h1pmnh"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Release Notes", "Vendor Advisory"], "url": "https://www.luxsoft.eu/index.php?pge=dload"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}