--- title: "CVE-2018-1111: Red Hat dhcp vulnerability | CubePath" description: "DHCP packages in Red Hat Enterprise Linux 6 and 7, Fedora 28, and earlier are vulnerable to a command injection flaw in the NetworkManager integration…" language: en source: https://cubepath.com/security/cve/CVE-2018-1111 --- # CVE-2018-1111: Red Hat dhcp vulnerability | CubePath ## Description DHCP packages in Red Hat Enterprise Linux 6 and 7, Fedora 28, and earlier are vulnerable to a command injection flaw in the NetworkManager integration script included in the DHCP client. A malicious DHCP server, or an attacker on the local network able to spoof DHCP responses, could use this flaw to execute arbitrary commands with root privileges on systems using NetworkManager and configured to obtain network configuration using the DHCP protocol. Official description from the CVE record, published by redhat. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-1111) ## Key data ### CVSS 3.0 High 7.5 Score published by redhat in the CVE record. CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------------- | | Attack vector | Adjacent | The attacker needs to be on the same shared network segment or a closely related one. | | Attack complexity | High | The attack depends on conditions outside the attacker's control, so it takes preparation. | | Privileges required | None | No account or privileges are needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.97862 (97.9% probability) Percentile 99.9% Scores of Nov 10, 2026 Model v2026.06.15 ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-77](https://cwe.mitre.org/data/definitions/77.html) Improper Neutralization of Special Elements used in a Command ## Affected products Products listed in the CVE record, as the CNA published them. - Red Hat dhcp - affected: Red Hat Enterprise Linux 6 - affected: Red Hat Enterprise Linux 7 - Fedora dhcp - affected: Fedora 28 ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [bugzilla.redhat.com/show\_bug.cgi?id=CVE-2018-1111](https://bugzilla.redhat.com/show%5Fbug.cgi?id=CVE-2018-1111) - [tenable.com/security/tns-2018-10](https://www.tenable.com/security/tns-2018-10) - [FEDORA-2018-5392896132](https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDJA4QRR74TMXW34Q3DYYFPVBYRTJBI7/) (lists.fedoraproject.org) vendor-advisory - [access.redhat.com/security/vulnerabilities/3442151](https://access.redhat.com/security/vulnerabilities/3442151) - [104195](http://www.securityfocus.com/bid/104195) (securityfocus.com) vdb-entry - [FEDORA-2018-23ca7a6798](https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMTTB54QNTPD2SK6UL32EVQHMZP6BUUD/) (lists.fedoraproject.org) vendor-advisory - [1040912](http://www.securitytracker.com/id/1040912) (securitytracker.com) vdb-entry - [help.ecostruxureit.com/display/public/UADCE725/Security+fix…](https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0) - [RHSA-2018:1454](https://access.redhat.com/errata/RHSA-2018:1454) (access.redhat.com) vendor-advisory - [RHSA-2018:1455](https://access.redhat.com/errata/RHSA-2018:1455) (access.redhat.com) vendor-advisory - [RHSA-2018:1457](https://access.redhat.com/errata/RHSA-2018:1457) (access.redhat.com) vendor-advisory - [RHSA-2018:1459](https://access.redhat.com/errata/RHSA-2018:1459) (access.redhat.com) vendor-advisory - [RHSA-2018:1453](https://access.redhat.com/errata/RHSA-2018:1453) (access.redhat.com) vendor-advisory - [FEDORA-2018-36058ed9f2](https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CDCLLCHYFFXW354HMB5QBXOQOY5BH2EJ/) (lists.fedoraproject.org) vendor-advisory - [RHSA-2018:1524](https://access.redhat.com/errata/RHSA-2018:1524) (access.redhat.com) vendor-advisory - [RHSA-2018:1456](https://access.redhat.com/errata/RHSA-2018:1456) (access.redhat.com) vendor-advisory - [RHSA-2018:1461](https://access.redhat.com/errata/RHSA-2018:1461) (access.redhat.com) vendor-advisory - [44652](https://www.exploit-db.com/exploits/44652/) (exploit-db.com) exploit - [44890](https://www.exploit-db.com/exploits/44890/) (exploit-db.com) exploit - [RHSA-2018:1458](https://access.redhat.com/errata/RHSA-2018:1458) (access.redhat.com) vendor-advisory - [RHSA-2018:1460](https://access.redhat.com/errata/RHSA-2018:1460) (access.redhat.com) vendor-advisory ## Timeline 1. ID reserved Dec 4, 2017 2. Record published May 17, 2018 3. Record last updated Aug 5, 2024 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:58 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)