September 2011

389 CVEs published, +32% on August 2011 and +29% on September 2010. CISA added 0 to KEV.

2011, month by month. Point at another month to read it.

2011: CVEs published per month
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year total
2011	January 2011: 397 CVEs	February 2011: 382 CVEs	March 2011: 356 CVEs	April 2011: 312 CVEs	May 2011: 296 CVEs	June 2011: 294 CVEs	July 2011: 308 CVEs	August 2011: 295 CVEs	September 2011: 389 CVEs	October 2011: 484 CVEs	November 2011: 312 CVEs	December 2011: 347 CVEs	4,172−11%

Who drove it

Vendors by distinct CVEs this month, with how many of those CVEs are now in CISA KEV and how far each moved in the ranking.

How this month's CVEs score on CVSS; 2 have no score yet. Severity is not exploitation.

Not in the top 100 in any of the 24 months before.

Weakness classes (CWE) by distinct CVEs, with how far each moved in the ranking.

The month's CVEs by the sector of the software they affect. A CVE that touches several sectors counts in each.

Area is CVEs this month. Point at a sector to read it.

The top weakness classes against the vendors and the sectors that carried them.

The lighter the cell, the more CVEs. Point at one to read it.