← gociux.comall exploited CVEs

Exploited vulnerability · CISA KEV

Is CVE-2017-0148 exploited? Yes: in CISA KEV since 6 Apr 2022

Gociux · Microsoft SMBv1 server · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2017-0148, Microsoft SMBv1 Server Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 6 Apr 2022, 1846 days after it was published. It is known to be used in ransomware campaigns. It affects Microsoft SMBv1 server. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 6 Apr 2022
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity8.1CVSS 3.1 · high
US federal due27 Apr 2022BOD 22-01 deadline

What it is

The SMBv1 server in Microsoft allows remote attackers to execute arbitrary code via crafted packets.

VendorMicrosoft (391 exploited CVEs in KEV)
ProductSMBv1 server
VulnerabilityMicrosoft SMBv1 Server Remote Code Execution Vulnerability
WeaknessCWE-20
Published17 Mar 2017
Added to KEV6 Apr 2022
Reported by (CNA)microsoft

What to do

  1. Check whether you run it. Look for SMBv1 server in your asset inventory, including appliances and cloud images. Stack check lists every exploited Microsoft 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 17 Mar 2017.
  4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

Other exploited CVEs in SMBv1 server

References

Questions

Is CVE-2017-0148 being exploited?

Yes. CISA added CVE-2017-0148 to the Known Exploited Vulnerabilities catalog on 6 Apr 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2017-0148 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2017-0148?

Apply updates per vendor instructions. Check Microsoft's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected SMBv1 server 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 April 2022 · Microsoft scorecard · act-now radar.

Running Microsoft 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 →