Security readout for executives and security teams
Plain-English summary
Openfind MailGates and MailAudit have a command injection flaw that could let an authenticated attacker run system commands after obtaining a user access token. Business impact is serious because successful exploitation could compromise confidentiality, integrity, and availability of the mail security system.
Executive priority
Treat this as high priority if Openfind MailGates or MailAudit is deployed. Validate exposure quickly, then follow vendor guidance because the provided sources do not include a named fixed version or complete remediation details.
Technical view
CVE-2020-25849 is CWE-78 command injection in Openfind MailGates and MailAudit. The source states commands can be injected through the cgi parameter after attackers obtain a user access token. CVSS 3.1 is 8.8 with network attack vector, low complexity, low privileges, no user interaction, and high CIA impact.
Likely exposure
Exposure is limited to organizations running Openfind MailGates or MailAudit. Risk is higher where the product is reachable over the network and user access tokens can be stolen, reused, or obtained from compromised accounts.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not marked KEV. The flaw still has high practical concern because it is network-reachable and requires only a valid user access token, not administrator privileges.
Researcher notes
Evidence is concise: command injection via the cgi parameter after access-token acquisition. Affected version data is not specific in the bundle, and no exploit or patch details are provided. Avoid assuming broader Openfind products or unauthenticated exploitation.
Mitigation direction
- Check Openfind and TWCERT guidance for fixed versions or official mitigations.
- Upgrade MailGates and MailAudit according to vendor instructions when available.
- Restrict product access to trusted networks and management paths.
- Review, rotate, or revoke potentially exposed user access tokens.
- Strengthen authentication and monitoring around user token issuance and reuse.
Validation and detection
- Inventory all Openfind MailGates and MailAudit deployments.
- Confirm product versions and patch status against Openfind or TWCERT advisories.
- Verify whether web or CGI interfaces are network-exposed.
- Review logs for suspicious authenticated cgi parameter activity.
- Check for unexpected command execution indicators on affected hosts.
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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-25849 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
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.twcert.org.tw/tw/cp-132-4118-6292c-1.htmlCVE 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 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.