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Known exploited vulnerability

CVE-2016-0034

highCVSS 3.1 8.8In CISA KEVRansomwareEPSS 69%Published · n/a

The short answer

CVE-2016-0034 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-05-25: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding, which allows remote attackers to execute arbitrary code or cause a denial of service (object-header corruption) via a crafted web site, aka "Silverlight Runtime Remote Code Execution Vulnerability."

Severity

8.8 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since May 25, 2022

Federal due date Jun 15, 2022

EPSS, next 30 days

69%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

The impacted products are end-of-life and should be disconnected if still in use.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2016-0034 being exploited?

Yes. CISA added CVE-2016-0034 to its Known Exploited Vulnerabilities catalog on 2022-05-25, with a federal remediation due date of 2022-06-15. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2016-0034?

CISA's required action: The impacted products are end-of-life and should be disconnected if still in use.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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