CVE-2018-17984

HIGHNVD 7.8

7.8

An unanchored /[a-z]{2}/ regular expression in ISPConfig before 3.1.13 makes it possible to include arbitrary files, leading to code execution. This is exploitable by authenticated users who have local filesystem access.

CVSS v3: 7.8
EG Score: —
EPSS: 62.6%
KEV: Not listed

Published

October 4, 2018

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://0x09al.github.io/security/ispconfig/exploit/vulnerability/2018/08/20/bug-or-backdoor-ispconfig-rce.html
cve@mitrehttps://github.com/0x09AL/0x09al.github.io/blob/master/_posts/2018-08-20-bug-or-backdoor-ispconfig-rce.markdown
cve@mitrehttps://www.ispconfig.org/blog/ispconfig-3-1-13-released-important-security-bugfix/
af854a3a-2127-422b-91ae-364da2661108https://0x09al.github.io/security/ispconfig/exploit/vulnerability/2018/08/20/bug-or-backdoor-ispconfig-rce.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/0x09AL/0x09al.github.io/blob/master/_posts/2018-08-20-bug-or-backdoor-ispconfig-rce.markdown
af854a3a-2127-422b-91ae-364da2661108https://www.ispconfig.org/blog/ispconfig-3-1-13-released-important-security-bugfix/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-185Incorrect Regular Expression

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-17984?

CVE-2018-17984 is a high vulnerability published on October 4, 2018. An unanchored /[a-z]{2}/ regular expression in ISPConfig before 3.1.13 makes it possible to include arbitrary files, leading to code execution. This is exploitable by authenticated users who have local filesystem access.

When was CVE-2018-17984 disclosed?

CVE-2018-17984 was first published in the National Vulnerability Database on October 4, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-17984 actively exploited?

CVE-2018-17984 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-17984?

CVE-2018-17984 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2018-17984?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17984, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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Frequently asked(5)

What is CVE-2018-17984?

When was CVE-2018-17984 disclosed?

Is CVE-2018-17984 actively exploited?

What is the CVSS score of CVE-2018-17984?

CVE-2018-17984 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2018-17984?

CVE-2018-17984

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-17984?

CVE-2018-17984

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-17984?

Published

Last Modified

References (6)

Frequently asked(5)

Published

Last Modified

References (6)

Frequently asked(5)