CVE-2017-7175

critical

Published 2017-07-10 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.9

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

NfSen before 1.3.8 allows remote attackers to execute arbitrary OS commands via shell metacharacters in the customfmt parameter (aka the "Custom output format" field).

Predictions

Exploit likelihood

98%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-42314 webapps linux verified

Paul Taylor · 2017-07-11

NfSen < 1.3.7 / AlienVault OSSIM 4.3.1 - 'customfmt' Command Injection

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
nfsen	nfsen	`{"endIncluding":"1.3.7"}`

References

CWEs

CWE-78

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.