Security readout for executives and security teams
Plain-English summary
CVE-2020-28453 is a critical command injection issue in the npm package npos-tesseract. If an application uses this package in a reachable OCR path, attacker-controlled input could cause operating-system command execution, risking data theft, tampering, and service disruption.
Executive priority
Treat this as urgent where npos-tesseract supports externally reachable OCR processing. The potential impact includes command execution on application infrastructure, but business urgency depends on whether the package is present and reachable.
Technical view
The source bundle identifies command injection in npos-tesseract, affecting all versions, with the injection point at lib/ocr.js line 55. CVSS 3.1 is 9.4: network-reachable, low complexity, no privileges, no user interaction, with high confidentiality and integrity impact.
Likely exposure
Exposure is likely limited to Node.js applications that install npos-tesseract and invoke it from user-reachable OCR workflows. Systems without this package, or with unreachable/internal-only OCR paths, are not evidenced as exposed by the provided sources.
Exploitation context
CISA KEV status is false, and the bundle provides no evidence of active exploitation. The CVSS vector records exploit code maturity as proof-of-concept, but no cited source here confirms real-world exploitation.
Researcher notes
The bundle names the vulnerable package and injection location but does not include patch details, affected application patterns, or exploitation telemetry. Validate dependency presence and reachability before declaring exposure.
Mitigation direction
- Inventory direct and transitive use of npos-tesseract across applications.
- Check Snyk and package maintainer guidance for fixed or replacement versions.
- Remove or replace npos-tesseract if no maintained safe version is available.
- Restrict OCR input paths until remediation is complete.
- Review application isolation around OCR processing and command execution boundaries.
Validation and detection
- Confirm whether npos-tesseract appears in dependency manifests or lockfiles.
- Identify whether affected OCR code is reachable from external users.
- Review calls passing user-controlled data into OCR processing.
- Run approved software composition analysis against production artifacts.
- Verify remediation by confirming the package is removed, replaced, or vendor-fixed.
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-2020-28453 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
- 9.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:P/RL:O/RC:C
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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:P/RL:O/RC:C3.95.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.4CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://security.snyk.io/vuln/SNYK-JS-NPOSTESSERACT-1051031CVE 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.