CVE-2023-1647 json
Improper Access Control in calcom/cal.com
published 2023-03-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23876
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
Improper Access Control in GitHub repository calcom/cal.com prior to 2.7.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/d6de3d6e-9551-47d1-b28c-7e965c1b82b6 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- calcom calcom/cal.com
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
github.com
/sbs20/scanservjs/pull/606/commits/d51fd52c1569813990b8f74e64ae6979c665dca1
patch
-
huntr.dev
/bounties/d6de3d6e-9551-47d1-b28c-7e965c1b82b6
exploit, third-party-advisory
Sources
- CVE List CVE-2023-1647
- NVD CVE-2023-1647
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.