Security readout for executives and security teams
Plain-English summary
CVE-2024-55399 is an SSRF flaw in 4C Strategies Exonaut before v21.6.2.1-1. An unauthenticated network attacker may be able to make the server issue unintended requests, potentially exposing limited internal data or affecting request integrity. The published severity is medium, not critical.
Executive priority
Treat this as a timely medium-priority remediation item for exposed Exonaut systems. Prioritize internet-facing or broadly reachable deployments because SSRF can bridge external access into internal resources.
Technical view
The CVE maps to CWE-918 SSRF with CVSS 3.1 score 6.5: network reachable, low complexity, no privileges, no user interaction, unchanged scope, low confidentiality and integrity impact, no availability impact. The bundle does not provide endpoint details or confirmed affected CPEs.
Likely exposure
Organizations using 4C Strategies Exonaut versions before v21.6.2.1-1 are the likely exposed population. The source bundle’s affected-product metadata is incomplete, so confirm exposure through asset inventory and vendor records.
Exploitation context
CISA KEV status is false in the bundle, and no cited source confirms active exploitation. A public reference is listed, but the bundle does not establish exploit maturity, real-world use, or attack prevalence.
Researcher notes
The bundle establishes the vulnerability class, product name, version boundary, CVSS vector, and CWE. It does not provide vulnerable routes, proof details, vendor advisory text, CPEs, or confirmed exploitation, so avoid assumptions beyond the CVE record.
Mitigation direction
- Identify all Exonaut deployments and record exact versions.
- Upgrade Exonaut to v21.6.2.1-1 or later if vendor guidance confirms the fix.
- Restrict external access to Exonaut where business requirements allow.
- Review vendor advisories for configuration-specific mitigations or compensating controls.
Validation and detection
- Confirm deployed Exonaut versions against the vulnerable pre-v21.6.2.1-1 range.
- Check whether Exonaut is internet-accessible or reachable by untrusted networks.
- Review application and egress logs for unusual server-initiated outbound requests.
- Verify post-upgrade versions and document remediation evidence.
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-918: 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 lookupCloud metadata behavior lookup
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2024-55399 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
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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.
SSVC decision data
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:L/I:L/A:N3.92.5CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://gist.github.com/Jowu73/1e8cb2a5c73a79eb36f2c6b3d9eb1b83CVE reference, mitre
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.
Server-Side Request Forgery (SSRF)
Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.