How severe is CVE-2018-7429?

CVE-2018-7429 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-7429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7429?

CVE-2018-7429 primarily affects Splunk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-7429?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-7429 published?

CVE-2018-7429 was published on 2018-10-23 and last updated on 2026-06-17.

CVE-2018-7429

CVE-2018-7429 is a high-severity vulnerability in Splunk with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Splunk
Published: 2018-10-23
Last modified: 2026-06-17

Description

Splunkd in Splunk Enterprise 6.2.x before 6.2.14 6.3.x before 6.3.11, and 6.4.x before 6.4.8; and Splunk Light before 6.5.0 allow remote attackers to cause a denial of service via a malformed HTTP request.

Frequently asked questions

What is CVE-2018-7429?: Splunkd in Splunk Enterprise 6.2.x before 6.2.14 6.3.x before 6.3.11, and 6.4.x before 6.4.8; and Splunk Light before 6.5.0 allow remote attackers to cause a denial of service via a malformed HTTP request.
How severe is CVE-2018-7429?: CVE-2018-7429 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-7429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7429?: CVE-2018-7429 primarily affects Splunk. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-7429?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7429 published?: CVE-2018-7429 was published on 2018-10-23 and last updated on 2026-06-17.

References

https://www.splunk.com/view/SP-CAAAP5T

Affected products (2)

cpe:2.3:a:splunk:splunk:*:*:*:*:light:*:*:*
cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*

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