CVE-2018-11652Nikto Vulnerability
CSV Injection vulnerability in Nikto 2.1.6 and earlier allows remote attackers to inject arbitrary OS commands via the Server field in an HTTP response header, which is directly injected into a CSV report.
Published Jun 1, 2018 · Updated Aug 4, 2026 · Also known as ALPINE-CVE-2018-11652, DEBIAN-CVE-2018-11652, UBUNTU-CVE-2018-11652
Key Facts
Patch immediately- CVE-2018-11652 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Nikto (Cirt.net).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 24% probability of exploitation in the next 30 days.
- Fixed versions are available, including Nikto <=2.1.6, Nikto 1:2.1.5-3, Nikto 2.1.6-r2.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3.1
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
24%
Higher than 97.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
47/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryhttps://security.alpinelinux.org/vuln/CVE-2018-11652
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2018-11652
- advisoryhttps://ubuntu.com/security/CVE-2018-11652
- advisoryhttps://www.cve.org/CVERecord?id=CVE-2018-11652
- patchhttps://github.com/sullo/nikto/commit/e759b3300aace5314fe3d30800c8bd83c81c29f7
Description
CSV Injection vulnerability in Nikto 2.1.6 and earlier allows remote attackers to inject arbitrary OS commands via the Server field in an HTTP response header, which is directly injected into a CSV report.
Affected Products
31 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| NiktoCirt.net | See advisory | 2.1.6 |
Patched Releases
Nikto
<=2.1.6, 1:2.1.5-3, 2.1.6-r2, 2.1.6-r3, 2.1.6-r4
Timeline
Publicly disclosed
Jun 1, 2018
Last updated
Aug 4, 2026
Weakness Type
- CWE-1236 Improper Neutralization of Formula Elements in a CSV File
References
- advisorysecurity.alpinelinux.org · CVE-2018-11652
- advisorysecurity-tracker.debian.org · CVE-2018-11652
- advisoryubuntu.com · CVE-2018-11652
- advisorycve.org · CVERecord
- patchgithub.com · e759b33
FAQ
Common Questions.
CSV Injection vulnerability in Nikto 2.1.6 and earlier allows remote attackers to inject arbitrary OS commands via the Server field in an HTTP response header, which is directly injected into a CSV report.
Affected: Nikto (Cirt.net). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Nikto <=2.1.6, Nikto 1:2.1.5-3, Nikto 2.1.6-r2.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2018-11652 On Your Attack Surface?
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