CVE-2021-22855
Soar Cloud System Co., Ltd. HR Portal - Arbitrary Code Execution
The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.
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
- High
Exploit likelihood
What each source reports
CVE List Score used
Soar Cloud System Co., Ltd. HR Portal - Arbitrary Code Execution
The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.
- Record
CVE-2021-22855- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
EUVDEUVD-2021-9990
The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.
- Record
EUVD-2021-9990- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rmg8-qpvh-whhg No score
The specific function of HR Portal of Soar Cloud System accepts any type of object to be...
The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.
- Record
GHSA-rmg8-qpvh-whhg- Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.
- Record
CVE-2021-22855- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22855 is a critical vulnerability (CVSS 9.8) in Hr Portal Project Portal, published February 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.04%, the 81st percentile. No source names a fixed version.