Exploited vulnerability · CISA KEV

Is CVE-2019-0708 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · Microsoft Remote Desktop Services · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-0708, Microsoft Remote Desktop Services Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 902 days after it was published. It is known to be used in ransomware campaigns. It affects Microsoft Remote Desktop Services. If you run it, CISA's required action is: Apply updates per vendor instructions.

What it is

Microsoft Remote Desktop Services, formerly known as Terminal Service, contains an unspecified vulnerability that allows an unauthenticated attacker to connect to the target system using RDP and send specially crafted requests. Successful exploitation allows for remote code execution. The vulnerability is also known under the moniker of BlueKeep.

What to do

1. Check whether you run it. Look for Remote Desktop Services 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 16 May 2019.
4. Get told next time. Email alerts when CISA adds a CVE for Microsoft.

References

• nvd.nist.gov/vuln/detail/CVE-2019-0708

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 · Microsoft scorecard · act-now radar.