CVE-2021-27780
HCL BigFix Mobile / Modern Client Management is vulnerable to unauthenticated XML interaction
The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.
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
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
HCL BigFix Mobile / Modern Client Management is vulnerable to unauthenticated XML interaction
The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.
- Record
CVE-2021-27780- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-112
- Updated
- 2026-11-02
EUVDEUVD-2021-14521
The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.
- Record
EUVD-2021-14521- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q2x2-7xpw-6rm3
The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device...
The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.
- Record
GHSA-q2x2-7xpw-6rm3- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
NVD
The software may be vulnerable to both Un-Auth XML interaction and unauthenticated device enrollment.
- Record
CVE-2021-27780- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-112
- 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-2021-27780 is a medium vulnerability (CVSS 5.3) 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 0.77%, the 55th percentile. No source names a fixed version.