# CVE-2019-20085: TVT NVMS-1000 Directory Traversal Vulnerability

Source: https://junglewise.ai/threats/cve-2019-20085-tvt-nvms-1000-directory-traversal-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2019-20085 · Severity: critical · CVSS 7.5 · Exploited in the wild · Published 2021-11-03

TVT NVMS-1000 devices are vulnerable to a directory traversal attack via specially crafted GET requests. An unauthenticated remote attacker can exploit this to access sensitive files on the underlying file system by using dot-dot-slash (../) sequences.

## Quick answers

**Is CVE-2019-20085 exploited in the wild?** Yes. CVE-2019-20085 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2019-20085?** Critical severity, with a CVSS score of 7.5, published 3 November 2021.

**Which products and versions are affected?** TVT NVMS-1000 All versions prior to patch.

**Is there a fix for CVE-2019-20085?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2019-20085 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2019-20085?** Check whether you run Tvt Nvms-1000. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- TVT NVMS-1000 All versions prior to patch

## Timeline

- 2019-12-29: disclosed: NVD Published Date
- 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2021-11-03: advisory