Buffer overflow in Hcltech Notes

CVE-2020-14268

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-14268: held from 0.022 to 0.023.

EPSS over last 30 days · oldest: 0.022 · newest: 0.023 · change: +0.000

Affected products

  • Hcltech Notes — versions 9.0.1, 10.0.1
  • Hcl Notes — versions v9, v10

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-14268?
CVE-2020-14268 is a critical-severity vulnerability in Hcltech Notes, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-12-14.
How severe is CVE-2020-14268?
Critical severity. CVSS v3 base score is 9.8 out of 10.