What is CVE-2021-27761?

CVE-2021-27761 is a medium-severity vulnerability in Hcl Software Bigfix Platform, classified under Inadequate Encryption Strength. CVSS score: 4.8/10. Published 2022-05-06.

How severe is CVE-2021-27761?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Hcl Software Bigfix Platform

CVE-2021-27761

Weak web transport security (Weak TLS): An attacker may be able to decrypt the data using attacks

Published 2022-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Hcl Software Bigfix Platform — versions 9.5 - 9.5.18, 10 - 10.0.5
Hcltech Bigfix Platform

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

support.hcltechsw.com/csm (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27761?: CVE-2021-27761 is a medium-severity vulnerability in Hcl Software Bigfix Platform, classified under Inadequate Encryption Strength. CVSS score: 4.8/10. Published 2022-05-06.
How severe is CVE-2021-27761?: Medium severity. CVSS v3 base score is 4.8 out of 10.