Hummingbird Collaboration (aka Hummingbird Enterprise Collaboration) 5.21 and earlier allows remote attackers to misrepresent the type and…

published 2006-01-11 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0181

cvss: 4.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 1; Exploit-DB

Hummingbird Collaboration (aka Hummingbird Enterprise Collaboration) 5.21 and earlier allows remote attackers to misrepresent the type and name of a file via modified doc_ext and id parameters, which might trick a user into downloading dangerous or unexpected content.

Timeline

2006-01-10 First public exploit (EDB-27061)
2006-01-11 Published

Exploit prediction

2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-27061 Hummingbird Collaboration - Crafted URL File Property Obscuration Download webapps, 2006-01-10
securityfocus.com http://www.securityfocus.com/bid/16195 referenced PoC, tagged "exploit" by a source, unverified
securenetwork.it http://www.securenetwork.it/advisories/sn-2006-01.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

References

securityfocus.com /bid/16195
vdb-entry, exploit
securenetwork.it /advisories/sn-2006-01.html
exploit, vendor-advisory
secunia.com /advisories/18411
third-party-advisory, vendor-advisory
vupen.com /english/advisories/2006/0145
vdb-entry
securityfocus.com /archive/1/421392/100/0/threaded
mailing-list
exchange.xforce.ibmcloud.com /vulnerabilities/24068
vdb-entry

Sources

CVE List CVE-2006-0173
NVD CVE-2006-0173

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary