CVE-2016-6255
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 27.02% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-03-07 16:00Z9 YR AGO
- Last updated
- 2024-08-06 01:22Z2 YR AGO
- Reserved
- 2016-07-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- d15f28934f67f40feb9ac2a7c56799bc124e417c9b054dff7db3812da890970f
05 Affected products
06 References
- www.openwall.com[oss-security] 20160720 Re: libupnp write files via POSThttp://www.openwall.com/lists/oss-security/2016/07/20/5
- twitter.comhttps://twitter.com/mjg59/status/755062278513319936
- github.comhttps://github.com/mjg59/pupnp-code/commit/be0a01bdb83395d9f3a5ea09c1308a4f1a972cbd
- sourceforge.nethttps://sourceforge.net/p/pupnp/code/ci/master/tree/ChangeLog
- security.gentoo.orgGLSA-201701-52https://security.gentoo.org/glsa/201701-52
- www.exploit-db.com40589https://www.exploit-db.com/exploits/40589/
- www.tenable.comhttps://www.tenable.com/security/research/tra-2017-10
- www.openwall.com[oss-security] 20160718 libupnp write files via POSThttp://www.openwall.com/lists/oss-security/2016/07/18/13
- www.debian.orgDSA-3736http://www.debian.org/security/2016/dsa-3736
- www.securityfocus.com92050http://www.securityfocus.com/bid/92050
07 Fixed in
Ubuntu 14.04 LTS
- libupnp Fixed in 1:1.6.17-1.2+deb7u1build0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- libupnp Fixed in 1:1.6.19+git20160116-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.