Security readout for executives and security teams
Plain-English summary
Tea LaTex 1.0 has a critical flaw that can let an unauthenticated attacker run operating-system commands on the server. If this service is exposed to the internet, compromise could lead to data theft, service disruption, or server takeover.
Executive priority
Treat as urgent for any exposed deployment. The flaw is unauthenticated, network-reachable, and rated CVSS 9.8, so vulnerable systems should be isolated or removed quickly while remediation guidance is confirmed.
Technical view
CVE-2020-37012 is a CWE-78 command injection issue in Tea LaTex 1.0. The reported vulnerable path is the /api.php endpoint, where the tex2png API action processes crafted LaTeX content in a way that can execute arbitrary shell commands.
Likely exposure
Highest exposure is any internet-facing Tea LaTex 1.0 instance, especially where /api.php is reachable. Internal deployments remain at risk if reachable by untrusted users or compromised hosts.
Exploitation context
A public ExploitDB reference is listed, indicating exploit information is publicly available. The provided sources do not show CISA KEV listing or confirmed active exploitation.
Researcher notes
Sources identify Tea LaTex 1.0 as affected and describe command execution through LaTeX processing in tex2png. Patch status is not provided in the source bundle, so avoid assuming a fixed version without checking vendor materials.
Mitigation direction
- Identify and prioritize all Tea LaTex 1.0 deployments.
- Restrict public access to /api.php and the application immediately.
- Disable or remove Tea LaTex if not business-critical.
- Check the project and advisory sources for vendor remediation guidance.
- Place the service behind authentication, network controls, or isolation where removal is not possible.
Validation and detection
- Confirm whether Tea LaTex 1.0 is installed or deployed.
- Verify whether /api.php is reachable from untrusted networks.
- Review application logs for unusual tex2png API activity.
- Check host logs for unexpected process execution by the web service.
- Document compensating controls and remaining exposure.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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-2020-37012 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
- 9.8 (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: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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-48805CVE reference · exploit
- Vendor HomepageCVE reference · product
- VulnCheck Advisory: Tea LaTex 1.0 - Remote Code ExecutionCVE reference · third-party-advisory
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 Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.