CVE-2021-27779
A Security Misconfiguration vulnerability affects HCL VersionVault Express
VersionVault Express exposes sensitive information that an attacker can use to impersonate the server or eavesdrop on communications with the server.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A Security Misconfiguration vulnerability affects HCL VersionVault Express
VersionVault Express exposes sensitive information that an attacker can use to impersonate the server or eavesdrop on communications with the server.
- Record
CVE-2021-27779- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-311
- Updated
- 2026-11-02
EUVDEUVD-2021-14520
VersionVault Express exposes sensitive information that an attacker can use to impersonate the server or eavesdrop on communications with the server.
- Record
EUVD-2021-14520- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xwpv-wxrh-mcxf
VersionVault Express exposes sensitive information that an attacker can use to impersonate the...
VersionVault Express exposes sensitive information that an attacker can use to impersonate the server or eavesdrop on communications with the server.
- Record
GHSA-xwpv-wxrh-mcxf- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-311
- Updated
- 2026-11-02
NVD
VersionVault Express exposes sensitive information that an attacker can use to impersonate the server or eavesdrop on communications with the server.
- Record
CVE-2021-27779- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 2.0
- 6.4 Medium
AV:N/AC:L/Au:N/C:P/I:P/A:N - Weakness
- CWE-311
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27779 is a critical vulnerability (CVSS 9.1) in Hcl Software Versionvault Express, published May 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.