Security readout for executives and security teams
Plain-English summary
CVE-2018-3972 is a critical remote code execution issue in Epee's Levin deserialization, reported in Monero Lithium Luna v0.12.2.0-master-ffab6700 and possibly other cryptocurrency software using that code. A malicious network packet can trigger the flaw.
Executive priority
Prioritize this for immediate exposure review if the organization operates Monero or related cryptocurrency infrastructure. The impact is critical, but urgency depends on whether affected Epee-based network services are actually deployed and reachable.
Technical view
The source bundle describes a logic flaw in Epee Levin deserialization that can be reached over the network and may result in code execution. CVSS 3.0 is 10.0 with network attack vector, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where Monero Lithium Luna v0.12.2.0-master-ffab6700 or cryptocurrency software embedding the affected Epee Levin code is reachable by untrusted network peers. Evidence for other specific affected products is not provided in the bundle.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. The described attack is unauthenticated, remote, and packet-based, but the provided sources do not establish exploit availability or real-world use.
Researcher notes
The affected scope is narrow in the bundle: Epee as used in a specific Monero master version and unspecified other cryptocurrencies. Avoid assuming broader product impact without code lineage or vendor confirmation.
Mitigation direction
- Inventory Monero and cryptocurrency services using Epee Levin networking code.
- Check Monero, Epee, and Talos guidance for fixed versions before upgrading.
- Reduce untrusted network exposure for affected nodes until remediated.
- Prioritize replacement or rebuild of software derived from the affected version.
- Monitor vendor advisories for products embedding Epee.
Validation and detection
- Confirm whether any deployed node reports Monero Lithium Luna v0.12.2.0-master-ffab6700.
- Review dependency manifests or SBOMs for Epee library usage.
- Map which affected services accept inbound peer traffic.
- Verify remediation against vendor-stated fixed versions, if available.
- Document any cryptocurrency forks using copied Epee networking code.
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.
Execution 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-2018-3972 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
- 10 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/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:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
10CriticalVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0637CVE reference · x_refsource_MISC
- https://blog.talosintelligence.com/2018/09/epee-levin-vuln.htmlCVE 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.