CVE-2020-14268 json
A vulnerability in the MIME message handling of the Notes client (versions 9 and 10) could potentially be exploited by an unauthenticated a…
published 2020-12-14 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6421
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
A vulnerability in the MIME message handling of the Notes client (versions 9 and 10) could potentially be exploited by an unauthenticated attacker resulting in a stack buffer overflow. This could allow a remote attacker to crash the client or inject code into the system which would execute with the privileges of the client.
Patch / fix
- hcltech notes 9.0.1, 10.0.1
Exploit prediction
2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- n/a HCL Notes
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
support.hcltechsw.com
/csm?id=kb_article&sysparm_article=KB0085762
patch, vendor-advisory
Sources
- CVE List CVE-2020-14268
- NVD CVE-2020-14268
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