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Exploited vulnerability · CISA KEV

Is CVE-2019-10758 exploited? Yes: in CISA KEV since 10 Dec 2021

Gociux · MongoDB mongo-express · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-10758, MongoDB mongo-express Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 10 Dec 2021, 717 days after it was published. It affects MongoDB mongo-express. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 10 Dec 2021
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.9CVSS 3.1 · critical
US federal due10 Jun 2022BOD 22-01 deadline

What it is

mongo-express before 0.54.0 is vulnerable to Remote Code Execution via endpoints that uses the `toBSON` method.

VendorMongoDB (2 exploited CVEs in KEV)
Productmongo-express
VulnerabilityMongoDB mongo-express Remote Code Execution Vulnerability
Weaknessnot specified
Published24 Dec 2019
Added to KEV10 Dec 2021
Reported by (CNA)snyk

What to do

  1. Check whether you run it. Look for mongo-express in your asset inventory, including appliances and cloud images. Stack check lists every exploited MongoDB 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 24 Dec 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for MongoDB.

References

Questions

Is CVE-2019-10758 being exploited?

Yes. CISA added CVE-2019-10758 to the Known Exploited Vulnerabilities catalog on 10 Dec 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-10758 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-2019-10758?

Apply updates per vendor instructions. Check MongoDB's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected mongo-express 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 December 2021 · MongoDB scorecard · act-now radar.

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