CVE-2013-3896 (GCVE-0-2013-3896)

Vulnerability from cvelistv5 – Published: 2013-10-09 14:44 – Updated: 2025-10-22 00:05
VLAI CISA Previdian
Summary
Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka "Silverlight Vulnerability."
SSVC
Exploitation: active Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-10 18:53 UTC
References
URL Tags
https://docs.microsoft.com/en-us/security-updates… vendor-advisoryx_refsource_MS
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://www.us-cert.gov/ncas/alerts/TA13-288A third-party-advisoryx_refsource_CERT
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
https://www.cisa.gov/known-exploited-vulnerabilit… government-resource
Date Public
2013-10-08 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2013-3896

Status: Confirmed

Status Updated: 2022-05-25 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2022-05-25
Asserted: 2022-05-25

Scope
Notes: KEV entry: Microsoft Silverlight Information Disclosure Vulnerability | Affected: Microsoft / Silverlight | Description: Microsoft Silverlight does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application. | Required action: The impacted product is end-of-life and should be disconnected if still in use. | Due date: 2022-06-15 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2013-3896

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-20
Feed CISA Known Exploited Vulnerabilities Catalog
Product Silverlight
Due Date 2022-06-15
Date Added 2022-05-25
Vendorproject Microsoft
Vulnerabilityname Microsoft Silverlight Information Disclosure Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2013-3896

Status: Confirmed

Status Updated: 2022-05-25 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2022-05-25
Asserted: 2022-05-25

Scope
Notes: KEVIntel entry: Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers... | Affected: Microsoft / Silverlight | CVSS: 5.5 (MEDIUM) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers...
Vendor Microsoft
Product Silverlight
Added Date 2022-05-25T00:00:00.000Z
Cvss Score 5.5
Epss Score None
Cvss Severity MEDIUM
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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