Security readout for executives and security teams
Plain-English summary
CVE-2021-22910 affects older Rocket.Chat servers. Poor query sanitization could let an attacker manipulate an endpoint query and potentially reach remote code execution. Treat exposed or internet-facing Rocket.Chat deployments as urgent upgrade candidates.
Executive priority
Prioritize remediation where Rocket.Chat supports business communication or is internet-facing. Potential RCE raises business risk, but no active exploitation is evidenced in the supplied sources.
Technical view
The CVE describes a sanitization issue in Rocket.Chat server versions before 3.13.2, 3.12.4, and 3.11.4. Endpoint queries could trigger NoSQL injection, with potential RCE impact. CWE-75 is listed, but the source bundle provides no CVSS vector.
Likely exposure
Organizations running Rocket.Chat server below 3.13.2, 3.12.4, or 3.11.4 are potentially exposed, especially if reachable by untrusted users or the internet.
Exploitation context
The bundle includes public technical references from HackerOne and SonarSource. It does not indicate CISA KEV listing or active exploitation in the wild, so exploitation should not be assumed.
Researcher notes
Focus validation on version lineage and endpoint exposure. The public sources support NoSQL injection with potential RCE, but the prompt bundle does not include CVSS, exploit-in-the-wild evidence, or detailed remediation beyond fixed versions.
Mitigation direction
- Inventory all Rocket.Chat server deployments and versions.
- Upgrade affected branches to 3.13.2, 3.12.4, 3.11.4, or later supported releases.
- Prioritize externally reachable or broadly user-accessible Rocket.Chat instances.
- If upgrade is blocked, check Rocket.Chat guidance for supported temporary controls.
Validation and detection
- Confirm each Rocket.Chat instance reports a fixed or later version.
- Verify internet-facing assets do not run affected Rocket.Chat versions.
- Review change records to confirm the patched release was deployed successfully.
- Check vendor and referenced advisories for branch-specific remediation notes.
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-75: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-22910 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://hackerone.com/reports/1130874CVE reference · x_refsource_MISC
- https://blog.sonarsource.com/nosql-injections-in-rocket-chat/CVE reference · x_refsource_MISC
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.
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.