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Vulnerability record · CVE-2016-6255 · published 7 March 2017

CVE-2016-6255: Debian linux improper access control vulnerability

Debian · Debian Linux

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.

7.5 CVSS 3.0 High EPSS 27% · top 2.0% CWE-284 · Improper access control
7.5CVSS 3.0 base score, v2 5.0
27%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
20References
17 Jun 2026Last modified by NVD

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.debian.org/security/2016/dsa-3736 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/18/13 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/20/5 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/92050 Third Party AdvisoryVDB Entry
https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release NotesThird Party Advisory
https://twitter.com/mjg59/status/755062278513319936 Third Party Advisory
https://www.exploit-db.com/exploits/40589/
https://www.tenable.com/security/research/tra-2017-10
http://www.debian.org/security/2016/dsa-3736 Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/18/13 Mailing ListPatchThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/07/20/5 Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/92050 Third Party AdvisoryVDB Entry
https://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201701-52
https://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog Release NotesThird Party Advisory
https://twitter.com/mjg59/status/755062278513319936 Third Party Advisory
https://www.exploit-db.com/exploits/40589/
https://www.tenable.com/security/research/tra-2017-10

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Source: NIST National Vulnerability Database (record CVE-2016-6255), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.