How severe is CVE-2018-1833?

CVE-2018-1833 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-1833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1833?

CVE-2018-1833 affects Ibm Event Streams. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1833 published?

CVE-2018-1833 was published on 2018-12-18 and last updated on 2026-06-17.

CVE-2018-1833

CVE-2018-1833 is a medium-severity vulnerability in Ibm Event Streams with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 3.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Event Streams
Published: 2018-12-18
Last modified: 2026-06-17

Description

IBM Event Streams 2018.3.0 could allow a remote attacker to submit an API request with a fake Host request header. An attacker, who has already gained authorised access via the CLI, could exploit this vulnerability to spoof the request header. IBM X-Force ID: 150507.

Frequently asked questions

What is CVE-2018-1833?: IBM Event Streams 2018.3.0 could allow a remote attacker to submit an API request with a fake Host request header. An attacker, who has already gained authorised access via the CLI, could exploit this vulnerability to spoof the request header. IBM X-Force ID: 150507.
How severe is CVE-2018-1833?: CVE-2018-1833 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-1833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1833?: CVE-2018-1833 affects Ibm Event Streams. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1833 published?: CVE-2018-1833 was published on 2018-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:event_streams:2018.3.0:*:*:*:*:*:*:*

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