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CVE Record

CVE-2022-32218: An information disclosure vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 due to the actionLin...

An information disclosure vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 due to the actionLinkHandler method was found to allow Message ID Enumeration with Regex MongoDB queries.

MediumCVSS 4.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Affected Rocket.Chat versions allowed authenticated users to infer message identifiers through the action link handler. This is an information disclosure issue, not code execution or service disruption. The main business risk is limited message metadata exposure that could support further reconnaissance in collaboration environments.

Executive priority

Treat this as a moderate-priority remediation for collaboration platforms. It is not described as actively exploited or highly destructive, but affected systems may expose message identifiers to authenticated users and should be upgraded during normal security maintenance.

Technical view

The vulnerable actionLinkHandler allowed message ID enumeration through regex MongoDB queries. CVSS 3.1 is 4.3: network reachable, low complexity, low privileges required, no user interaction, and low confidentiality impact only. Fixed versions listed are 4.7.5, 4.8.2, and 5.0 or later.

Likely exposure

Exposure is limited to organizations running Rocket.Chat below the fixed versions. Because privileges are required, internet-facing deployments are most relevant when attacker-controlled, former employee, contractor, or compromised user accounts exist.

Exploitation context

The provided sources do not state active exploitation, and this CVE is not flagged as CISA KEV. The HackerOne reference supports the vulnerability report, but the bundle provides limited public detail beyond the enumeration condition.

Researcher notes

The public bundle identifies CWE-200 and message ID enumeration via regex MongoDB queries in actionLinkHandler. Evidence does not support claims of unauthenticated exploitation, integrity impact, availability impact, or broader message content disclosure.

Mitigation direction

  • Upgrade Rocket.Chat to 4.7.5, 4.8.2, 5.0, or a later supported release.
  • Review Rocket.Chat vendor guidance for any branch-specific upgrade instructions.
  • Restrict access to Rocket.Chat accounts and remove unused users.
  • Monitor for unusual authenticated activity involving action links or message lookup behavior.

Validation and detection

  • Inventory Rocket.Chat instances and record exact running versions.
  • Confirm no production instance runs below 4.7.5, 4.8.2, or 5.0.
  • Review access logs for suspicious authenticated enumeration patterns where available.
  • Verify user accounts are current and least-privileged.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-200: Information exposure and cloud metadata lookup

Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookup
cve · low confidence lookup

CVE-2022-32218 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

4.3Medium
CVSS 3.1 vector shape for CVE-2022-32218Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aRocket.chatFixed in 4.7.5, 4.8.2 and 5.0>Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-200 · source CWE mapping

Exposure of Sensitive Information to an Unauthorized Actor

Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.