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Exploited vulnerability · CISA KEV

Is CVE-2020-11261 exploited? Yes: in CISA KEV since 1 Dec 2021

Gociux · Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2020-11261, Qualcomm Multiple Chipsets Improper Input Validation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 1 Dec 2021, 175 days after it was published. It affects Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 1 Dec 2021
ransomwareNot knownno confirmed use
EPSSbelow top 10%lower predicted activity right now (it is still confirmed exploited)
severity7.8CVSS 3.1 · high
US federal due1 Jun 2022BOD 22-01 deadline

What it is

Memory corruption due to improper check to return error when user application requests memory allocation of a huge size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables

VendorQualcomm (12 exploited CVEs in KEV)
ProductSnapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
VulnerabilityQualcomm Multiple Chipsets Improper Input Validation Vulnerability
WeaknessCWE-20
Published9 Jun 2021
Added to KEV1 Dec 2021
Reported by (CNA)qualcomm

What to do

  1. Check whether you run it. Look for Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables 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 9 Jun 2021.
  4. Get told next time. Email alerts when CISA adds a CVE for Qualcomm.

References

Questions

Is CVE-2020-11261 being exploited?

Yes. CISA added CVE-2020-11261 to the Known Exploited Vulnerabilities catalog on 1 Dec 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2020-11261 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-2020-11261?

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 Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables 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 · Qualcomm scorecard · act-now radar.

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