How severe is CVE-2018-1801?

CVE-2018-1801 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2018-1801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1801?

CVE-2018-1801 primarily affects Ibm App Connect. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1801?

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

When was CVE-2018-1801 published?

CVE-2018-1801 was published on 2019-02-04 and last updated on 2026-06-17.

CVE-2018-1801

CVE-2018-1801 is a medium-severity vulnerability in Ibm App Connect 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. The underlying weakness is classified as CWE-611.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ibm App Connect
Published: 2019-02-04
Last modified: 2026-06-17

Description

IBM App Connect V11.0.0.0 through V11.0.0.1, IBM Integration Bus V10.0.0.0 through V10.0.0.13, IBM Integration Bus V9.0.0.0 through V9.0.0.10, and WebSphere Message Broker V8.0.0.0 through V8.0.0.9 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to consume memory resources. IBM X-Force ID: 149639.

Frequently asked questions

What is CVE-2018-1801?: IBM App Connect V11.0.0.0 through V11.0.0.1, IBM Integration Bus V10.0.0.0 through V10.0.0.13, IBM Integration Bus V9.0.0.0 through V9.0.0.10, and WebSphere Message Broker V8.0.0.0 through V8.0.0.9 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to consume memory resources. IBM X-Force ID: 149639.
How severe is CVE-2018-1801?: CVE-2018-1801 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2018-1801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1801?: CVE-2018-1801 primarily affects Ibm App Connect. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1801?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1801 published?: CVE-2018-1801 was published on 2019-02-04 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:app_connect:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:integration_bus:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_message_broker:*:*:*:*:*:*:*:*

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