high Known exploitedREV. 01
CVE-2013-0643Adobe Flash Player — Firefox sandbox permissions too broad
The Firefox sandbox in Adobe Flash Player before 10.3.183.67 and the 11.x builds does not restrict privileges properly, which makes crafted content easier to turn into code execution.
Read the risk
THE VITAL STATS- CVSS score
- 8.8/ 10 CVSS v3.1
- EPSS probability
- 11% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2013-02-27
- Added to KEV
- 2024-09-17
- Exploit published
- Not recorded
- Confidence
- high
- Kill chain
- privilege escalation
- MITRE ATT&CK
- T1068
- Severity
- high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attacker needsThe user must open attacker-supplied Flash content in Firefox.
Behind the card
4 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02CISACISA Known Exploited Vulnerabilities catalogcisa.gov
- 03Vendor advisoryadobe.comadobe.com
- 04Writeuprhn.redhat.comrhn.redhat.com
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_at | nvd.nist.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| exploitation.known_exploited, exploitation.kev_added | cisa.gov | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| epss | api.first.org | 2026-09-24 | scrty-crds-pipeline/0.1 | high |
| title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisites | nvd.nist.gov | 2026-09-24 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.