calcom cal.com up to 2.6 access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in calcom cal.com up to 2.6. This vulnerability affects unknown code. The manipulation leads to access control. This vulnerability is documented as CVE-2023-1647. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in calcom cal.com up to 2.6 and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.

The weakness was released 03/27/2023. It is possible to read the advisory at huntr.dev. The identification of this vulnerability is CVE-2023-1647 since 03/26/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 2.7 eliminates this vulnerability. Applying the patch c76e5f46101a826b2de39123c22f50c840dddba0 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-23876). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (huntr.dev): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cal.com 2.7
Patch: c76e5f46101a826b2de39123c22f50c840dddba0

Timelineinfo

03/26/2023 🔍
03/27/2023 +0 days 🔍
03/27/2023 +0 days 🔍
08/11/2025 +868 days 🔍

Sourcesinfo

Product: github.com

Advisory: c76e5f46101a826b2de39123c22f50c840dddba0
Status: Confirmed

CVE: CVE-2023-1647 (🔍)
GCVE (CVE): GCVE-0-2023-1647
GCVE (VulDB): GCVE-100-224051
EUVD: 🔍

Entryinfo

Created: 03/27/2023 08:43
Updated: 08/11/2025 08:35
Changes: 03/27/2023 08:43 (41), 04/15/2023 14:34 (22), 08/11/2025 08:35 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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