CVE-2014-8517

Exp

The fetch_url function in usr.bin/ftp/fetch.c in tnftp, as used in NetBSD 5.1 through 5.1.4, 5.2 through 5.2.2, 6.0 through 6.0.6, and 6.1 through 6.1.5 allows remote attackers to execute arbitrary commands via a | (pipe) character at the end of an HTTP redirect.

Published: 2014-11-17 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-8517 is rated High Exploit Risk (79.6/100): CVSS High severity, with high exploitation likelihood (EPSS 84.98%, 99th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2014-8517

EDB-ID Source Kind Published Link
43112 exploit_db edb 2017-11-03 Exploit-DB ↗
35427 exploit_db edb 2014-12-02 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-8517

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-01-11 85.18% 84.98% -0.20%
2 2025-06-07 83.95% 85.18% +1.23%
3 2025-05-01 — 83.95% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8517

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2014-8517

OS Trackers for CVE-2014-8517

vendor priority summary link
debian low CVE-2014-8517 low priority: Debian including 1 source packages (tnftp), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2014-8517
gentoo normal CVE-2014-8517: 1 GLSA(s) (201611-05), 1 atom(s) (net-ftp/tnftp); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8517
suse medium CVE-2014-8517 severity moderate: SUSE including 5 source package names (tnftp-20151004-1.3, tnftp-20151004-bp153.1.16, tnftp-20151004-bp154.2.20, tnftp-20151004-lp150.1.9, tnftp-20151004-lp152.3.8), 5 product×package rows across 5 product lines (openSUSE Leap 15.0, openSUSE Leap 15.2, … (5 product lines)): Fixed 5. https://www.suse.com/security/cve/CVE-2014-8517/
ubuntu medium CVE-2014-8517 medium priority: Ubuntu including 1 source packages (tnftp), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 3, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2014-8517

Affected software / configurations for CVE-2014-8517

Vendor Product Version Raw CPE
apple mac_os_x 10.8.5 cpe:2.3:o:apple:mac_os_x:10.8.5:*:*:*:*:*:*:*
apple mac_os_x 10.9.5 cpe:2.3:o:apple:mac_os_x:10.9.5:*:*:*:*:*:*:*
apple mac_os_x 10.10.0 cpe:2.3:o:apple:mac_os_x:10.10.0:*:*:*:*:*:*:*
apple mac_os_x 10.10.1 cpe:2.3:o:apple:mac_os_x:10.10.1:*:*:*:*:*:*:*
netbsd netbsd 5.1 cpe:2.3:o:netbsd:netbsd:5.1:*:*:*:*:*:*:*
netbsd netbsd 5.1.1 cpe:2.3:o:netbsd:netbsd:5.1.1:*:*:*:*:*:*:*
netbsd netbsd 5.1.2 cpe:2.3:o:netbsd:netbsd:5.1.2:*:*:*:*:*:*:*
netbsd netbsd 5.1.3 cpe:2.3:o:netbsd:netbsd:5.1.3:*:*:*:*:*:*:*
netbsd netbsd 5.1.4 cpe:2.3:o:netbsd:netbsd:5.1.4:*:*:*:*:*:*:*
netbsd netbsd 5.2 cpe:2.3:o:netbsd:netbsd:5.2:*:*:*:*:*:*:*
netbsd netbsd 5.2.1 cpe:2.3:o:netbsd:netbsd:5.2.1:*:*:*:*:*:*:*
netbsd netbsd 5.2.2 cpe:2.3:o:netbsd:netbsd:5.2.2:*:*:*:*:*:*:*
netbsd netbsd 6.0 cpe:2.3:o:netbsd:netbsd:6.0:*:*:*:*:*:*:*
netbsd netbsd 6.0.1 cpe:2.3:o:netbsd:netbsd:6.0.1:*:*:*:*:*:*:*
netbsd netbsd 6.0.2 cpe:2.3:o:netbsd:netbsd:6.0.2:*:*:*:*:*:*:*
netbsd netbsd 6.0.3 cpe:2.3:o:netbsd:netbsd:6.0.3:*:*:*:*:*:*:*
netbsd netbsd 6.0.4 cpe:2.3:o:netbsd:netbsd:6.0.4:*:*:*:*:*:*:*
netbsd netbsd 6.0.5 cpe:2.3:o:netbsd:netbsd:6.0.5:*:*:*:*:*:*:*
netbsd netbsd 6.0.6 cpe:2.3:o:netbsd:netbsd:6.0.6:*:*:*:*:*:*:*
netbsd netbsd 6.1 cpe:2.3:o:netbsd:netbsd:6.1:*:*:*:*:*:*:*
netbsd netbsd 6.1.1 cpe:2.3:o:netbsd:netbsd:6.1.1:*:*:*:*:*:*:*
netbsd netbsd 6.1.2 cpe:2.3:o:netbsd:netbsd:6.1.2:*:*:*:*:*:*:*
netbsd netbsd 6.1.3 cpe:2.3:o:netbsd:netbsd:6.1.3:*:*:*:*:*:*:*
netbsd netbsd 6.1.4 cpe:2.3:o:netbsd:netbsd:6.1.4:*:*:*:*:*:*:*
netbsd netbsd 6.1.5 cpe:2.3:o:netbsd:netbsd:6.1.5:*:*:*:*:*:*:*

References for CVE-2014-8517

cvelogic Threat Intelligence