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Exploited vulnerability · CISA KEV

Is CVE-2019-13720 exploited? Yes: in CISA KEV since 23 May 2022

Gociux · Google Chrome WebAudio · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-13720, Google Chrome WebAudio Use-After-Free Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 23 May 2022, 910 days after it was published. It affects Google Chrome WebAudio. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 23 May 2022
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity8.8CVSS 3.1 · high
US federal due13 Jun 2022BOD 22-01 deadline

What it is

Google Chrome WebAudio contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.

VendorGoogle (77 exploited CVEs in KEV)
ProductChrome WebAudio
VulnerabilityGoogle Chrome WebAudio Use-After-Free Vulnerability
WeaknessCWE-416
Published25 Nov 2019
Added to KEV23 May 2022
Reported by (CNA)Chrome

What to do

  1. Check whether you run it. Look for Chrome WebAudio in your asset inventory, including appliances and cloud images. Stack check lists every exploited Google 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 25 Nov 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Google.

References

Questions

Is CVE-2019-13720 being exploited?

Yes. CISA added CVE-2019-13720 to the Known Exploited Vulnerabilities catalog on 23 May 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-13720 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-2019-13720?

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

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