CVE-2013-0643

HIGHNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-09-17), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 11%CVSS: 8.8Exploit: NoneExposed: 0

A fix is available — apply it.

The Firefox sandbox in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on Windows and Mac OS X, and before 10.3.183.67 and 11.x before 11.2.202.273 on Linux, does not properly restrict privileges, which makes it easier for remote attackers to execute arbitrary code via crafted SWF content, as exploited in the wild in February 2013.

CVSS v3
8.8
EG Score
9.0(high)
EPSS
95.2%
KEV
⚠ Exploited

Published

February 27, 2013

Last Modified

April 21, 2026

Advisory Details (1)

Auto-updated May 2, 2026
No patch confirmed yet.
generic
http://rhn.redhat.com/errata/RHSA-2013-0574.html

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatflash-plugin-0:11.2.202.273-1.el62013-02-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 125× in last 7d / 556× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 745 total refreshes for this CVE.

  1. 2026-07-07 19:01 UTCCISA KEV update
  2. 2026-07-07 17:16 UTCCISA KEV update
  3. 2026-07-07 17:09 UTCEG score recompute
  4. 2026-07-07 17:09 UTCVendor advisory
  5. 2026-07-07 17:09 UTCGHSA enrichment
  6. 2026-07-07 12:52 UTCEG score recompute
  7. 2026-07-07 12:52 UTCVendor advisory
  8. 2026-07-07 12:52 UTCGHSA enrichment
  9. 2026-07-07 08:39 UTCEG score recompute
  10. 2026-07-07 08:39 UTCVendor advisory
  11. 2026-07-07 08:38 UTCGHSA enrichment
  12. 2026-07-07 04:25 UTCEG score recompute
  13. 2026-07-07 04:25 UTCVendor advisory
  14. 2026-07-07 04:24 UTCGHSA enrichment
  15. 2026-07-07 00:10 UTCEG score recompute
  16. 2026-07-07 00:10 UTCVendor advisory
  17. 2026-07-07 00:10 UTCGHSA enrichment
  18. 2026-07-06 19:57 UTCEG score recompute
  19. 2026-07-06 19:57 UTCVendor advisory
  20. 2026-07-06 19:57 UTCGHSA enrichment
  21. 2026-07-06 15:43 UTCEG score recompute
  22. 2026-07-06 15:43 UTCVendor advisory
  23. 2026-07-06 15:43 UTCGHSA enrichment
  24. 2026-07-06 11:30 UTCEG score recompute
  25. 2026-07-06 11:30 UTCVendor advisory
Show 75 more
  1. 2026-07-06 11:29 UTCGHSA enrichment
  2. 2026-07-06 07:16 UTCEG score recompute
  3. 2026-07-06 07:16 UTCVendor advisory
  4. 2026-07-06 07:16 UTCGHSA enrichment
  5. 2026-07-06 03:03 UTCEG score recompute
  6. 2026-07-06 03:03 UTCVendor advisory
  7. 2026-07-06 03:03 UTCGHSA enrichment
  8. 2026-07-05 22:50 UTCEG score recompute
  9. 2026-07-05 22:50 UTCVendor advisory
  10. 2026-07-05 22:50 UTCGHSA enrichment
  11. 2026-07-05 18:37 UTCEG score recompute
  12. 2026-07-05 18:37 UTCVendor advisory
  13. 2026-07-05 18:37 UTCGHSA enrichment
  14. 2026-07-05 14:24 UTCEG score recompute
  15. 2026-07-05 14:24 UTCVendor advisory
  16. 2026-07-05 14:24 UTCGHSA enrichment
  17. 2026-07-05 10:11 UTCEG score recompute
  18. 2026-07-05 10:11 UTCVendor advisory
  19. 2026-07-05 10:11 UTCGHSA enrichment
  20. 2026-07-05 05:58 UTCEG score recompute
  21. 2026-07-05 05:58 UTCVendor advisory
  22. 2026-07-05 05:58 UTCGHSA enrichment
  23. 2026-07-05 02:26 UTCEPSS rescore
  24. 2026-07-05 01:45 UTCEG score recompute
  25. 2026-07-05 01:45 UTCVendor advisory
  26. 2026-07-05 01:45 UTCGHSA enrichment
  27. 2026-07-04 21:32 UTCEG score recompute
  28. 2026-07-04 21:32 UTCVendor advisory
  29. 2026-07-04 21:31 UTCGHSA enrichment
  30. 2026-07-04 17:18 UTCEG score recompute
  31. 2026-07-04 17:18 UTCVendor advisory
  32. 2026-07-04 17:18 UTCGHSA enrichment
  33. 2026-07-04 13:05 UTCEG score recompute
  34. 2026-07-04 13:05 UTCVendor advisory
  35. 2026-07-04 13:05 UTCGHSA enrichment
  36. 2026-07-04 08:53 UTCEG score recompute
  37. 2026-07-04 08:53 UTCVendor advisory
  38. 2026-07-04 08:53 UTCGHSA enrichment
  39. 2026-07-04 06:27 UTCEPSS rescore
  40. 2026-07-04 04:40 UTCEG score recompute
  41. 2026-07-04 04:40 UTCVendor advisory
  42. 2026-07-04 04:39 UTCGHSA enrichment
  43. 2026-07-04 00:25 UTCEG score recompute
  44. 2026-07-04 00:25 UTCVendor advisory
  45. 2026-07-04 00:25 UTCGHSA enrichment
  46. 2026-07-03 20:12 UTCEG score recompute
  47. 2026-07-03 20:12 UTCVendor advisory
  48. 2026-07-03 20:12 UTCGHSA enrichment
  49. 2026-07-03 15:59 UTCEG score recompute
  50. 2026-07-03 15:59 UTCVendor advisory
  51. 2026-07-03 15:59 UTCGHSA enrichment
  52. 2026-07-03 11:46 UTCEG score recompute
  53. 2026-07-03 11:46 UTCVendor advisory
  54. 2026-07-03 11:46 UTCGHSA enrichment
  55. 2026-07-03 07:31 UTCEG score recompute
  56. 2026-07-03 07:31 UTCVendor advisory
  57. 2026-07-03 07:31 UTCGHSA enrichment
  58. 2026-07-03 03:18 UTCEG score recompute
  59. 2026-07-03 03:18 UTCVendor advisory
  60. 2026-07-03 03:18 UTCGHSA enrichment
  61. 2026-07-02 23:05 UTCEG score recompute
  62. 2026-07-02 23:05 UTCVendor advisory
  63. 2026-07-02 23:05 UTCGHSA enrichment
  64. 2026-07-02 18:52 UTCEG score recompute
  65. 2026-07-02 18:52 UTCVendor advisory
  66. 2026-07-02 18:52 UTCGHSA enrichment
  67. 2026-07-02 14:39 UTCEG score recompute
  68. 2026-07-02 14:39 UTCVendor advisory
  69. 2026-07-02 14:39 UTCGHSA enrichment
  70. 2026-07-02 10:26 UTCEG score recompute
  71. 2026-07-02 10:26 UTCVendor advisory
  72. 2026-07-02 10:26 UTCGHSA enrichment
  73. 2026-07-02 06:13 UTCEG score recompute
  74. 2026-07-02 06:13 UTCVendor advisory
  75. 2026-07-02 06:13 UTCGHSA enrichment

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Frequently asked(6)

What is CVE-2013-0643?
CVE-2013-0643 is a high vulnerability published on February 27, 2013. The Firefox sandbox in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on Windows and Mac OS X, and before 10.3.183.67 and 11.x before 11.2.202.273 on Linux, does not properly restrict privileges, which makes it easier for remote attackers to execute arbitrary code via crafted…
When was CVE-2013-0643 disclosed?
CVE-2013-0643 was first published in the National Vulnerability Database on February 27, 2013, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-0643 actively exploited?
Yes. CISA added CVE-2013-0643 to the Known Exploited Vulnerabilities catalog on September 17, 2024, affecting Adobe Flash Player. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2013-0643?
CVE-2013-0643 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2013-0643?
CVE-2013-0643 affects Adobe Flash Player. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2013-0643?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-0643, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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