CVE-2021-27781
HCL BigFix Mobile / Modern Client Management is vulnerable to stored cross-site scripting
The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
HCL BigFix Mobile / Modern Client Management is vulnerable to stored cross-site scripting
The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
- Record
CVE-2021-27781- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-14522
The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
- Record
EUVD-2021-14522- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2r44-78ff-wqc3
The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
- Record
GHSA-2r44-78ff-wqc3- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
The Master operator may be able to embed script tag in HTML with alert pop-up display cookie.
- Record
CVE-2021-27781- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- 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-2021-27781 is a medium vulnerability (CVSS 6.6) in Hcl Software Bigfix Mobile / Modern Client Management, published May 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.