Security readout for executives and security teams
Plain-English summary
This vulnerability lets an unauthenticated remote attacker run operating-system commands on an affected ESVA email security appliance. For executives, the business issue is potential full appliance compromise, including mail security disruption and access to sensitive mail-processing infrastructure.
Executive priority
Treat as urgent for any reachable ESVA appliance. The vulnerability is unauthenticated, network-exploitable, and can lead to command execution, but current evidence does not prove active exploitation or define a complete patch matrix.
Technical view
CVE-2012-10046 is a CWE-78 command injection in ESVA learn-msg.cgi. The supplied record says unsanitized user input in the id parameter reaches shell execution. Tested affected version is ESVA_2057; broader version impact and vendor fix status are not established in the provided sources.
Likely exposure
Exposure is most relevant where ESVA web CGI endpoints are reachable from untrusted networks. The evidence names E-Mail Security Virtual Appliance ESVA_2057 only, with default status unknown for other versions.
Exploitation context
Public exploit references exist, including Metasploit and Exploit-DB entries. The source bundle does not show CISA KEV listing or confirmed active exploitation, so active exploitation should not be asserted from this evidence alone.
Researcher notes
Do not assume affected scope beyond ESVA_2057 without additional vendor evidence. Public exploit artifacts support exploitability, but validation should avoid weaponized testing. Focus on reachability, version confirmation, log review, and vendor/project remediation guidance.
Mitigation direction
- Identify any ESVA appliances and confirm installed versions.
- Restrict untrusted network access to ESVA CGI endpoints immediately.
- Check vendor or project guidance for supported fixes or retirement paths.
- Replace unsupported or internet-exposed legacy appliances where no fix exists.
- Review appliance compromise indicators and mail gateway logs.
Validation and detection
- Inventory external and internal ESVA web interfaces.
- Confirm whether learn-msg.cgi is present and reachable.
- Compare appliance version against ESVA_2057 evidence.
- Review access logs for unexpected learn-msg.cgi requests.
- Verify compensating network controls block unauthenticated access.
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-2012-10046 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
- 9.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
9.3CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://sourceforge.net/projects/esva-project/CVE reference · product
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/esva_exec.rbCVE reference · exploit
- https://www.exploit-db.com/exploits/20551CVE reference · exploit
- https://www.exploit-db.com/exploits/20712CVE reference · exploit
- https://www.vulncheck.com/advisories/email-security-virtual-appliance-command-injectionCVE 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.