Security readout for executives and security teams
This flaw lets a malicious LibreOffice document trigger macro-related code execution after a user opens it. It is serious because impact is high, public exploit references exist, and document-based attacks fit phishing workflows. The source bundle does not show CISA KEV listing or confirmed active exploitation. Exposure is most likely on user workstations or application servers running LibreOffice versions before 6.0.7 or 6.1.3, especially where users open externally supplied documents. Linux distributions issued security updates, so package-managed LibreOffice installations may already be fixed if maintained. Prioritize remediation for endpoints that receive external documents, especially finance, HR, legal, and support teams. This is not automatically internet-wormable, but phishing-driven document execution can produce full confidentiality, integrity, and availability impact on the affected host. Mitigation focus: Upgrade LibreOffice to 6.0.7, 6.1.3, or a vendor-fixed distribution package.; Apply relevant Red Hat, Debian, or openSUSE security updates where those packages are used.; Avoid opening untrusted LibreOffice documents on affected versions until upgraded..
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
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ATT&CK lookup starting points
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CWE-356: Exact CWE lookup
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Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-16858 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.libreoffice.org/about-us/security/advisories/cve-2018-16858/CVE reference · x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16858CVE reference · x_refsource_CONFIRM
- 46727CVE reference · exploit, x_refsource_EXPLOIT-DB
- RHSA-2019:2130CVE reference · vendor-advisory, x_refsource_REDHAT
- 20190815 [SECURITY] [DSA 4501-1] libreoffice security updateCVE reference · mailing-list, x_refsource_BUGTRAQ
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.
Product UI does not Warn User of Unsafe Actions
Product UI does not Warn User of Unsafe Actions represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.