month report
May 2011
Data as of Jun 11, 2026, 06:04 UTCSnapshot v1 Sources CVEList V5+NVD+GHSA+CSAF+FSTEC BDU+CISA KEV+EPSS+Nuclei templates Methodology →
May 2011 closed with 296 published CVEs. 75 criticals, google led volume, mostly via chrome. Top weakness class — CWE-20 (46 CVE). 10 vendors cracked the top-100 for the first time.
Total CVEs
296
— MoM— YoY
Severity mix
75 / 49
critical / high
KEV added
0
0 ransomware-linked
Nuclei coverage
0.0%
0 CVEs with templates
Time to exploit
How fast the community ships detection after a CVE drops.
Days → Nuclei (median)
—
n=0
Within 7 days
—%
Within 30 days
—%
Days → KEV (median)
—
n=0
Weakness × Vendor
What's spreading where in May 2011
Cells shaded by share of vendor's hottest weakness. Click any cell to open the CWE history.
Most discussed CVEs — May 2011
No CVE mentions in the news this month yet.
First time in top-100
Vendors never in top-100 in the prior 24 periods.
- #8smartertools12 CVE
- #10inventivetec7 CVE
- #12ffmpeg6 CVE
- #18liferay5 CVE
- #20maven5 CVE
- #21proofpoint5 CVE
- #24mojolicious4 CVE
- #25mplayerhq4 CVE
- #27ca3 CVE
- #29openbsd3 CVE
Top vendors
Ranked by distinct CVE count this period.
- 36 CVE4 critCVSS 6.8PoC 7chrome (32) · chrome os (3) · android (1)
- 28 CVE15 critCVSS 7.9openview storage data protector (9) · intelligent management center (7) · proliant support pack (3)
- 21 CVE9 critCVSS 7.1lotus notes (7) · datacap taskmaster capture (4) · web content manager (2)
- 19 CVE2 critCVSS 7.3PoC 5unified communications manager (6) · rvs4000 software (3) · ios xr (3)
- 18 CVE15 critCVSS 8.4PoC 1flash player (12) · audition (2) · photoshop (1)
- 17 CVE1 critCVSS 6.4PoC 1linux kernel (17)
- 16 CVE13 critCVSS 9.3PoC 1firefox (16) · seamonkey (14) · thunderbird (10)
- 12 CVE3 critCVSS 6.7NEWsmarterstats (12)
- 9 CVECVSS 6.3PoC 1enterprise linux (7) · enterprise linux aus (4) · enterprise linux desktop (4)
- 7 CVECVSS 6.0NEWmediacast (7)
- 6 CVECVSS 4.2PoC 2struts (3) · http server (2) · apr-util (1)
- 6 CVE2 critCVSS 7.3NEWffmpeg (6)
- 6 CVE3 critCVSS 8.8silverlight (2) · powerpoint (2) · office compatibility pack (1)
- 6 CVECVSS 6.6PoC 1suse linux enterprise (6)
- 6 CVECVSS 5.3esx (4) · esxi (3) · vcenter (3)
- 6 CVE2 critCVSS 6.6PoC 1debian gnu/linux (6) · perl (1)
- 5 CVECVSS 4.8PoC 1gentoo linux (5)
- 5 CVECVSS 4.3NEWliferay portal (4) · portal (1)
- 5 CVECVSS 5.0mahara (5)
- 5 CVECVSS 4.6NEWPoC 1org.apache.struts:struts2-parent (1) · com.liferay.portal:portal-service (1) · org.apache.struts:struts2-core (1)
- 5 CVECVSS 6.9NEWmessaging security gateway (5) · protection server (5)
- 4 CVECVSS 6.8PoC 3safari (3) · itunes (3) · iphone os (2)
- 4 CVECVSS 6.2PoC 2debian linux (4)
- 4 CVE3 critCVSS 8.6NEWmojolicious (4)
- 4 CVE2 critCVSS 8.2NEWmplayer (4)
- 4 CVECVSS 4.6PoC 2netbsd (4)
- 3 CVECVSS 4.8NEWarcot webfort versatile authentication server (2) · ehealth (1)
- 3 CVECVSS 6.0dovecot (3)
- 3 CVECVSS 5.5NEWPoC 1openbsd (3)
- 2 CVE2 critCVSS 9.3NEWkeyview (2)
- 2 CVECVSS 3.5NEWvino (2)
- 2 CVECVSS 3.9NEWdata loss prevention enterprise manager (1) · sourceone email management (1)
- 2 CVECVSS 4.3PoC 1freebsd (2)
- 2 CVE2 critCVSS 9.5NEWweb studio (2) · thin client (1)
- 2 CVECVSS 5.0bind (2)
- 2 CVECVSS 5.5PoC 1libtiff (2)
- 2 CVECVSS 5.0NEWPoC 1mediawiki (2)
- 2 CVECVSS 4.3NEWmonkey\'s audio (2)
- 2 CVECVSS 3.8NEWPoC 1webwork (2) · xwork (2)
- 2 CVECVSS 4.9NEWpure-ftpd (2)
- 2 CVECVSS 5.7NEWPoC 1python (2)
- 2 CVECVSS 4.3NEWiprocess engine (2) · iprocess workspace (2)
- 2 CVECVSS 5.0NEWwebdefend (2)
- 2 CVECVSS 7.2NEWPoC 1vlc media player (2)
- 2 CVECVSS 7.2NEWwalrack (2)
- 2 CVECVSS 5.5PoC 1осон основа оnyx (2)
- 1 CVE1 critCVSS 10.0NEWigss (1)
- 1 CVE1 critCVSS 9.3NEWadvantech studio (1)
- 1 CVE1 critCVSS 9.3NEWmupdf (1)
- 1 CVECVSS 6.8NEWtinyproxy (1)
| # | Vendor | CVEs | Crit | KEV | Nuclei | Signals | Top products | Δ | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 36 | 4 | · | · | PoC 7 | chrome (32) · chrome os (3) · android (1) | — | ||
| 2 | hp | 28 | 15 | · | · | openview storage data protector (9) · intelligent management center (7) · proliant support pack (3) | — | ||
| 3 | ibm | 21 | 9 | · | · | lotus notes (7) · datacap taskmaster capture (4) · web content manager (2) | — | ||
| 4 | cisco | 19 | 2 | · | · | PoC 5 | unified communications manager (6) · rvs4000 software (3) · ios xr (3) | — | |
| 5 | adobe | 18 | 15 | · | · | PoC 1 | flash player (12) · audition (2) · photoshop (1) | — | |
| 6 | linux | 17 | 1 | · | · | PoC 1 | linux kernel (17) | — | |
| 7 | mozilla | 16 | 13 | · | · | PoC 1 | firefox (16) · seamonkey (14) · thunderbird (10) | — | |
| 8 | smartertools | 12 | 3 | · | · | NEW | smarterstats (12) | — | |
| 9 | redhat | 9 | · | · | · | PoC 1 | enterprise linux (7) · enterprise linux aus (4) · enterprise linux desktop (4) | — | |
| 10 | inventivetec | 7 | · | · | · | NEW | mediacast (7) | — | |
| 11 | apache | 6 | · | · | · | PoC 2 | struts (3) · http server (2) · apr-util (1) | — | |
| 12 | ffmpeg | 6 | 2 | · | · | NEW | ffmpeg (6) | — | |
| 13 | microsoft | 6 | 3 | · | · | silverlight (2) · powerpoint (2) · office compatibility pack (1) | — | ||
| 14 | novell inc. | 6 | · | · | · | PoC 1 | suse linux enterprise (6) | — | |
| 15 | vmware | 6 | · | · | · | esx (4) · esxi (3) · vcenter (3) | — | ||
| 16 | сообщество свободного программного обеспечения | 6 | 2 | · | · | PoC 1 | debian gnu/linux (6) · perl (1) | — | |
| 17 | gentoo foundation inc. | 5 | · | · | · | PoC 1 | gentoo linux (5) | — | |
| 18 | liferay | 5 | · | · | · | NEW | liferay portal (4) · portal (1) | — | |
| 19 | mahara | 5 | · | · | · | mahara (5) | — | ||
| 20 | maven | 5 | · | · | · | NEWPoC 1 | org.apache.struts:struts2-parent (1) · com.liferay.portal:portal-service (1) · org.apache.struts:struts2-core (1) | — | |
| 21 | proofpoint | 5 | · | · | · | NEW | messaging security gateway (5) · protection server (5) | — | |
| 22 | apple | 4 | · | · | · | PoC 3 | safari (3) · itunes (3) · iphone os (2) | — | |
| 23 | debian | 4 | · | · | · | PoC 2 | debian linux (4) | — | |
| 24 | mojolicious | 4 | 3 | · | · | NEW | mojolicious (4) | — | |
| 25 | mplayerhq | 4 | 2 | · | · | NEW | mplayer (4) | — | |
| 26 | netbsd | 4 | · | · | · | PoC 2 | netbsd (4) | — | |
| 27 | ca | 3 | · | · | · | NEW | arcot webfort versatile authentication server (2) · ehealth (1) | — | |
| 28 | dovecot | 3 | · | · | · | dovecot (3) | — | ||
| 29 | openbsd | 3 | · | · | · | NEWPoC 1 | openbsd (3) | — | |
| 30 | autonomy | 2 | 2 | · | · | NEW | keyview (2) | — | |
| 31 | david king | 2 | · | · | · | NEW | vino (2) | — | |
| 32 | emc | 2 | · | · | · | NEW | data loss prevention enterprise manager (1) · sourceone email management (1) | — | |
| 33 | freebsd | 2 | · | · | · | PoC 1 | freebsd (2) | — | |
| 34 | indusoft | 2 | 2 | · | · | NEW | web studio (2) · thin client (1) | — | |
| 35 | isc | 2 | · | · | · | bind (2) | — | ||
| 36 | libtiff | 2 | · | · | · | PoC 1 | libtiff (2) | — | |
| 37 | mediawiki | 2 | · | · | · | NEWPoC 1 | mediawiki (2) | — | |
| 38 | monkeysaudio | 2 | · | · | · | NEW | monkey\'s audio (2) | — | |
| 39 | opensymphony | 2 | · | · | · | NEWPoC 1 | webwork (2) · xwork (2) | — | |
| 40 | pureftpd | 2 | · | · | · | NEW | pure-ftpd (2) | — | |
| 41 | python | 2 | · | · | · | NEWPoC 1 | python (2) | — | |
| 42 | tibco | 2 | · | · | · | NEW | iprocess engine (2) · iprocess workspace (2) | — | |
| 43 | trustwave | 2 | · | · | · | NEW | webdefend (2) | — | |
| 44 | videolan | 2 | · | · | · | NEWPoC 1 | vlc media player (2) | — | |
| 45 | walrus digit | 2 | · | · | · | NEW | walrack (2) | — | |
| 46 | ао "нппкт" | 2 | · | · | · | PoC 1 | осон основа оnyx (2) | — | |
| 47 | 7t | 1 | 1 | · | · | NEW | igss (1) | — | |
| 48 | advantech | 1 | 1 | · | · | NEW | advantech studio (1) | — | |
| 49 | artifex | 1 | 1 | · | · | NEW | mupdf (1) | — | |
| 50 | banu | 1 | · | · | · | NEW | tinyproxy (1) | — |
Sectors
Solution categories ranked by distinct CVE count this period.
- Enterprise Software62 CVE27 crit7 vendorsCVSS 9.3openview storage data protector (9) · intelligent management center (7) · lotus notes (7)
- Operating Systems51 CVE13 crit19 vendorsCVSS 8.8linux kernel (17) · enterprise linux (7) · suse linux enterprise (7)
- Consumer Software46 CVE51 crit9 vendorsCVSS 9.1flash player (12) · audition (2) · acrobat (1)
- Mobile Apps41 CVE4 crit3 vendorsCVSS 6.8chrome (32) · chrome os (3) · android (1)
- OSS Libraries31 CVE6 crit18 vendorsCVSS 6.4ffmpeg (6) · libtiff (2) · libwww-perl (2)
- 8 crit11 vendorsCVSS 7.0unified communications manager (6) · ios xr (3) · rvs4000 (3)
- Communications23 CVE3 crit9 vendorsCVSS 8.5smarterstats (12) · dovecot (3) · pure-ftpd (2)
- Web & CMS Plugins17 CVE6 vendorsCVSS 5.8liferay portal (4) · struts (3) · http server (2)
- Security Products13 CVE7 vendorsCVSS 6.9messaging security gateway (5) · protection server (5)
- Cloud & SaaS6 CVE1 vendorsCVSS 5.3esx (4) · esxi (3) · vcenter (3)
- ICS / OT / IoT4 CVE7 crit4 vendorsCVSS 9.6web studio (2) · advantech studio (1) · igss (1)
- DevTools & CI4 CVE4 vendorsCVSS 5.0pmake (1) · webmin (1)
- Databases1 CVE1 vendorsCVSS 4.3solaris (1)
- Hardware Firmware1 CVE1 vendorsCVSS 6.1la fonera\+ (1) · la fonera\+ firmware (1)
- Unclassified10 CVE3 vendorsCVSS 5.1mediacast (7) · vino (2) · usb-creator (1)
| Sector | CVEs | Crit | KEV | Vendors | Products | Avg CVSS | Top products |
|---|---|---|---|---|---|---|---|
| Enterprise Software▸ 4 | 62 | 27 | · | 7 | 26 | 9.3 | openview storage data protector (9) · intelligent management center (7) · lotus notes (7) |
| Operating Systems▸ 3 | 51 | 13 | · | 19 | 35 | 8.8 | linux kernel (17) · enterprise linux (7) · suse linux enterprise (7) |
| Consumer Software▸ 4 | 46 | 51 | · | 9 | 17 | 9.1 | flash player (12) · audition (2) · acrobat (1) |
| Mobile Apps▸ 2 | 41 | 4 | · | 3 | 8 | 6.8 | chrome (32) · chrome os (3) · android (1) |
| OSS Libraries▸ 4 | 31 | 6 | · | 18 | 26 | 6.4 | ffmpeg (6) · libtiff (2) · libwww-perl (2) |
| Networking Infrastructure▸ 5 | 29 | 8 | · | 11 | 113 | 7.0 | unified communications manager (6) · ios xr (3) · rvs4000 (3) |
| Communications▸ 2 | 23 | 3 | · | 9 | 9 | 8.5 | smarterstats (12) · dovecot (3) · pure-ftpd (2) |
| Web & CMS Plugins▸ 2 | 17 | · | · | 6 | 11 | 5.8 | liferay portal (4) · struts (3) · http server (2) |
| Security Products▸ 4 | 13 | · | · | 7 | 9 | 6.9 | messaging security gateway (5) · protection server (5) |
| Cloud & SaaS▸ 1 | 6 | · | · | 1 | 4 | 5.3 | esx (4) · esxi (3) · vcenter (3) |
| ICS / OT / IoT▸ 2 | 4 | 7 | · | 4 | 6 | 9.6 | web studio (2) · advantech studio (1) · igss (1) |
| DevTools & CI▸ 3 | 4 | · | · | 4 | 4 | 5.0 | pmake (1) · webmin (1) |
| Databases▸ 1 | 1 | · | · | 1 | 1 | 4.3 | solaris (1) |
| Hardware Firmware▸ 1 | 1 | · | · | 1 | 2 | 6.1 | la fonera\+ (1) · la fonera\+ firmware (1) |
| Unclassified | 10 | · | · | 3 | 3 | 5.1 | mediacast (7) · vino (2) · usb-creator (1) |
Weakness × Sector
Which weaknesses hit which solution categories in May 2011
Cells shaded by share of the sector's hottest weakness. Click a row to open the sector history.
20Improper Input Validation119Memory Buffer Bounds399CWE-39979XSS264CWE-264200Information Exposure310CWE-31089SQL Injection189CWE-18922Path TraversalConsumer Software2415621122Operating Systems124713141Enterprise Software3183932111Communications51124222Networking Infrastructure183411322OSS Libraries464332211Security Products212211Web & CMS Plugins522ICS / OT / IoT1212111Cloud & SaaS2111