Security readout for executives and security teams
Plain-English summary
CVE-2021-22855 is a critical flaw in Soar Cloud System HR Portal. An unauthenticated network attacker could abuse unsafe object deserialization to run commands on the server, potentially taking over HR data and application infrastructure.
Executive priority
Prioritize immediately if the HR Portal is deployed, especially if exposed to the internet. This vulnerability can affect sensitive HR data and server control, and the public sources do not provide enough mitigation detail to justify delay.
Technical view
The vulnerability is CWE-502 unsafe deserialization. The HR Portal function accepts arbitrary object types for deserialization, enabling malicious serialized objects to trigger arbitrary command execution. CVSS 3.1 is 9.8: network-accessible, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure depends on whether Soar Cloud System HR Portal version 7.3.2020.1013 is deployed and reachable. Internet-facing HR portals are highest risk. Internal-only deployments remain exposed to attackers with network access. The source bundle provides no CPEs, so asset inventory confirmation is required.
Exploitation context
The CVE description supports unauthenticated remote code execution potential. The source bundle does not include CISA KEV listing, public active exploitation evidence, exploit maturity, or a named fixed version. Treat exposed systems as urgent until vendor guidance is confirmed.
Researcher notes
Evidence is limited to CVE metadata and advisories identifying arbitrary command execution via unsafe deserialization. No exploit steps, affected endpoint details, or fixed release information are present in the supplied sources. Validation should focus on product presence, version, reachability, and vendor guidance.
Mitigation direction
- Identify all Soar Cloud System HR Portal deployments and versions.
- Remove public exposure or restrict access with VPN and IP allowlists.
- Check vendor, TWCERT, or CHT Security guidance for patches or mitigations.
- Prioritize patching or compensating controls for version 7.3.2020.1013.
- Review affected servers for suspicious command execution or application anomalies.
Validation and detection
- Confirm whether HR Portal version 7.3.2020.1013 exists in asset inventory.
- Map whether the HR Portal is internet-facing or internally reachable.
- Verify current patch status against vendor or advisory guidance.
- Review application and system logs for unexpected execution behavior.
- Use only authorized, non-destructive validation methods.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-22855 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.twcert.org.tw/tw/cp-132-4405-2ddde-1.htmlCVE reference · x_refsource_MISC
- https://www.chtsecurity.com/news/d334641f-2b28-4eab-a5ed-c6ec6740557eCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.