← gociux.comall exploited CVEs

Exploited vulnerability · CISA KEV

Is CVE-2019-20085 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · TVT NVMS-1000 · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-20085, TVT NVMS-1000 Directory Traversal Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 674 days after it was published. It affects TVT NVMS-1000. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity7.5CVSS 3.1 · high
US federal due3 May 2022BOD 22-01 deadline

What it is

TVT devices utilizing NVMS-1000 software contain a directory traversal vulnerability via GET /.. requests.

VendorTVT (1 exploited CVE in KEV)
ProductNVMS-1000
VulnerabilityTVT NVMS-1000 Directory Traversal Vulnerability
WeaknessCWE-22
Published30 Dec 2019
Added to KEV3 Nov 2021
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for NVMS-1000 in your asset inventory, including appliances and cloud images. Stack check lists every exploited TVT CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 30 Dec 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for TVT.

References

Questions

Is CVE-2019-20085 being exploited?

Yes. CISA added CVE-2019-20085 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-20085 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2019-20085?

Apply updates per vendor instructions. Check TVT's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected NVMS-1000 and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · act-now radar.

Running TVT in a regulated environment?

We check exposure across your estate, patch or mitigate with your team, and set up detection for what attackers do after exploiting it.

Get in touch →