CVE & CISA-KEV CatalogNVD
CVE-2016-6255
HIGHEPSS 98th pctl7.5
CVSS v3
Description
Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to write to arbitrary files in the webroot via a POST request without a registered handler.
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Exploit Intelligence
26.82%probability of exploitation in 30 days
98thpercentile
Very high risk: more likely to be exploited than 98% of all known CVEs.
References
- http://www.debian.org/security/2016/dsa-3736
- http://www.openwall.com/lists/oss-security/2016/07/18/13
- http://www.openwall.com/lists/oss-security/2016/07/20/5
- http://www.securityfocus.com/bid/92050
- https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd
- https://security.gentoo.org/glsa/201701-52
- https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog
- https://twitter.com/mjg59/status/755062278513319936
- https://www.exploit-db.com/exploits/40589/
- https://www.tenable.com/security/research/tra-2017-10
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.