What is CVE-2021-27779?

CVE-2021-27779 is a critical-severity vulnerability in Hcl Software Versionvault Express, classified under Missing Encryption of Sensitive Data. CVSS score: 9.1/10. Published 2022-05-25.

How severe is CVE-2021-27779?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Hcl Software Versionvault Express

CVE-2021-27779

VersionVault Express exposes sensitive information that an attacker can use to impersonate the server or eavesdrop on communications with the server.

Published 2022-05-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Hcl Software Versionvault Express — versions 2.0.x
Hcltech Versionvault Express — versions 2.0.1

Weakness classification (CWE)

CWE-311 — Missing Encryption of Sensitive Data

References

support.hcltechsw.com/csm (Vendor Advisory)

Frequently asked questions

What is CVE-2021-27779?: CVE-2021-27779 is a critical-severity vulnerability in Hcl Software Versionvault Express, classified under Missing Encryption of Sensitive Data. CVSS score: 9.1/10. Published 2022-05-25.
How severe is CVE-2021-27779?: Critical severity. CVSS v3 base score is 9.1 out of 10.