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Fencer Intel
high 7.8

CVE-2013-0074 kev+ ransomware in the critical feed json

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, whic…

published 13y ago modified 2mo ago also EUVD-2013-0117

cvss
7.8
version 3.1, CNA
cisa kev
Exploited
added 2022-05-25, used in ransomware
epss
78.9%
EPSS 78.9% chance of exploitation in 30 days, percentile 99.5%
public exploits
3
Metasploit and Exploit-DB

Summary

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference Vulnerability."

Patch / fix

cisa required action The impacted product is end-of-life and should be disconnected if still in use.

  • microsoft silverlight 5.1.20125.0

Is CVE-2013-0074 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. First public exploit (Metasploit exploit/windows/browser/ms13_022_silverlight_script_object)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4y ago
Patch by
2022-06-15 (4y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
The impacted product is end-of-life and should be disconnected if still in use.
Vendor, product
Microsoft, Silverlight
CISA name
Microsoft Silverlight Double Dereference Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
4y ago

Exploit prediction

78.89% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.