CVE-2013-3896
Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote…
- 5.5MediumCVSS base score
- 67.1%Exploitation in 30 daysEPSS · top 0.7% of all CVEs
- YesKnown exploitedin CISA's KEV since 25 May 2022
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Silverlight Information Disclosure Vulnerability.
- Added
- 25 May 2022
- Fix due (US federal)
- 15 Jun 2022
- Used by ransomware
- Not known
The impacted product is end-of-life and should be disconnected if still in use.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 25 May 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits2
Metasploit modules1 module
- MS13-022 Microsoft Silverlight ScriptObject Unsafe Memory Access (Metasploit module) (opens in a new tab)
exploit/windows/browser/ms13_022_silverlight_script_objectRank normaldisclosed 12 Mar 2013
Exploit-DB1 entry
- Microsoft Silverlight - ScriptObject Unsafe Memory Access (MS13-022/MS13-087) (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 41702local, windowspublished 12 Mar 2013Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 4 months later
· 4 months later
Published
- 9 years later
· 9 years later
Added to CISA KEV
Known exploited in the wild
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 67.1% · top 0.7% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
n/a
- affected n/a
References
References5
- MS13-087 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- oval:org.mitre.oval:def:19003 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- TA13-288A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- oval:org.mitre.oval:def:19055 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-3896 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-3828 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-3896)Record last updated .