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Exploited vulnerability · CISA KEV

Is CVE-2021-1906 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · Qualcomm Multiple Chipsets · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2021-1906, Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 180 days after it was published. It affects Qualcomm Multiple Chipsets. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareNot knownno confirmed use
EPSSbelow top 10%lower predicted activity right now (it is still confirmed exploited)
severity6.2CVSS 3.1 · medium
US federal due17 Nov 2021BOD 22-01 deadline

What it is

Multiple Qualcomm chipsets contain a detection of error condition without action vulnerability when improper handling of address deregistration on failure can lead to new GPU address allocation failure.

VendorQualcomm (12 exploited CVEs in KEV)
ProductMultiple Chipsets
VulnerabilityQualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability
WeaknessCWE-390
Published7 May 2021
Added to KEV3 Nov 2021
Reported by (CNA)qualcomm

What to do

  1. Check whether you run it. Look for Multiple Chipsets in your asset inventory, including appliances and cloud images. Stack check lists every exploited Qualcomm 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 7 May 2021.
  4. Get told next time. Email alerts when CISA adds a CVE for Qualcomm.

Other exploited CVEs in Multiple Chipsets

References

Questions

Is CVE-2021-1906 being exploited?

Yes. CISA added CVE-2021-1906 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2021-1906 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-2021-1906?

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

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