Security readout for executives and security teams
Plain-English summary
CVE-2019-18568 is a high-severity local privilege escalation in Avira Free Antivirus 15.0.1907.1514. A low-privileged user could potentially reach kernel-level code execution after user interaction, creating broad confidentiality and integrity risk. Urgency is highest where outdated Avira endpoints still exist and an attacker could already gain local access.
Executive priority
Prioritize this as a high-risk endpoint hygiene issue, not a network-wide remote emergency. The business concern is that a local attacker on an outdated Avira workstation could gain deeper control. Focus on finding affected installations and aligning them with vendor-supported versions.
Technical view
The CVE describes Avira Free Antivirus 15.0.1907.1514 allowing a restricted local user to execute kernel code. CVSS 3.0 vector is AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L, score 8.1. The record maps it to CWE-680. Provided sources do not describe exploit mechanics, affected driver names, or fixed builds.
Likely exposure
Exposure appears limited to Windows endpoints running the affected Avira Free Antivirus build named in the CVE record. The CVSS vector is local, so internet-facing exposure is not indicated. Risk rises on shared endpoints, compromised user workstations, and systems where local standard users are common.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation requires local access, low privileges, and user interaction according to CVSS. The sources do not provide public exploit status, payload details, or reliable exploitation prevalence.
Researcher notes
Evidence is sparse. The CVE record gives product, version, CVSS, CWE-680, and a broad kernel-code-execution claim, but not root cause, vulnerable component, proof-of-concept status, or fixed version. Avoid asserting active exploitation or remediation specifics beyond vendor guidance.
Mitigation direction
- Inventory endpoints for Avira Free Antivirus 15.0.1907.1514.
- Check Avira support guidance for fixed or current Windows antivirus builds.
- Update or replace affected Avira installations where vendor guidance supports it.
- Limit local user privileges on endpoints running affected software.
- Prioritize remediation on shared or already exposed workstations.
Validation and detection
- Confirm installed Avira product name and build version on Windows endpoints.
- Verify whether the host matches Avira Free Antivirus 15.0.1907.1514.
- Review endpoint management records for outdated Avira installations.
- Check vendor documentation for supported upgrade or remediation status.
- Treat absence of affected build evidence as reduced, not eliminated, risk.
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-680: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-18568 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
- High
- CVSS
- 8.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
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:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L1.56Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.1HighVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-WindowsCVE reference · x_refsource_CONFIRM
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.
Integer Overflow to Buffer Overflow
Integer Overflow to Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.