Security readout for executives and security teams
Plain-English summary
CVE-2020-7823 is a high-impact flaw in HumanTalk DaviewIndy. A user opening a maliciously malformed image file can trigger memory corruption in Daview.exe, potentially allowing arbitrary code execution. This is not described as internet-wormable, but it matters where employees process externally supplied images.
Executive priority
Treat as a targeted workstation risk. Prioritize remediation where DaviewIndy is used by staff handling external images, because successful exploitation could give an attacker code execution on the user’s system.
Technical view
The CVE describes improper input handling in DaviewIndy image parsing, mapped to CWE-20. CVSS 3.1 is 7.8: local attack vector, low complexity, no privileges, user interaction required, unchanged scope, and high confidentiality, integrity, and availability impact. Affected versions are unspecified in the bundle.
Likely exposure
Exposure is likely limited to workstations or virtual desktops with HumanTalk DaviewIndy installed, especially users who open image files from email, web downloads, partners, or customers. The source bundle does not identify exact affected versions or CPEs.
Exploitation context
The bundle does not cite CISA KEV listing or active exploitation. Exploitation requires convincing a user to open a malformed image file in DaviewIndy. The practical risk is document or image handling abuse, not direct remote server compromise based on the provided evidence.
Researcher notes
Evidence is sparse. The bundle names memory corruption in Daview.exe when parsing malformed image files, but does not provide affected version ranges, file formats, patch identifiers, or exploit telemetry. Avoid assuming active exploitation or a specific fix beyond vendor and KRCERT guidance.
Mitigation direction
- Inventory endpoints for HumanTalk DaviewIndy or Daview.exe, including software deployment and file association records.
- Check HumanTalk and KRCERT guidance for fixed versions, advisories, or removal recommendations.
- Apply any vendor or KRCERT-recommended update if identified.
- Restrict DaviewIndy use for untrusted images until vendor guidance is confirmed.
- Use endpoint controls to reduce execution impact from vulnerable desktop applications.
Validation and detection
- Confirm whether DaviewIndy is installed on managed endpoints or images.
- Identify users or teams that receive and open external image files.
- Review vendor and KRCERT references for version-specific applicability.
- Check EDR or application logs for Daview.exe handling suspicious image files.
- Verify compensating controls cover user-opened file execution scenarios.
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-20: 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 lookupExecution 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-2020-7823 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/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.hmtalk.com/CVE reference · x_refsource_MISC
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35545CVE 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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.