How severe is CVE-2018-11789?

CVE-2018-11789 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 high, integrity none, and availability none.

Is CVE-2018-11789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11789?

CVE-2018-11789 affects Apache Heron. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11789?

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-2018-11789 published?

CVE-2018-11789 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2018-11789

CVE-2018-11789 is a high-severity vulnerability in Apache Heron 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Apache Heron
Published: 2019-03-21
Last modified: 2026-06-17

Description

When accessing the heron-ui webpage, people can modify the file paths outside of the current container to access any file on the host. Example woule be modifying the parameter path= to go to the directory you would like to view. i.e. ..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd.

Frequently asked questions

What is CVE-2018-11789?: When accessing the heron-ui webpage, people can modify the file paths outside of the current container to access any file on the host. Example woule be modifying the parameter path= to go to the directory you would like to view. i.e. ..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd.
How severe is CVE-2018-11789?: CVE-2018-11789 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 high, integrity none, and availability none.
Is CVE-2018-11789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11789?: CVE-2018-11789 affects Apache Heron. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11789?: 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-2018-11789 published?: CVE-2018-11789 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:heron:*:*:*:*:*:*:*:*

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