How severe is CVE-2019-0202?

CVE-2019-0202 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-2019-0202 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0202?

CVE-2019-0202 primarily affects Apache Storm. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0202?

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-2019-0202 published?

CVE-2019-0202 was published on 2019-07-26 and last updated on 2026-06-17.

CVE-2019-0202

CVE-2019-0202 is a high-severity vulnerability in Apache Storm 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-532.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Apache Storm
Published: 2019-07-26
Last modified: 2026-06-17

Description

The Apache Storm Logviewer daemon exposes HTTP-accessible endpoints to read/search log files on hosts running Storm. In Apache Storm versions 0.9.1-incubating to 1.2.2, it is possible to read files off the host's file system that were not intended to be accessible via these endpoints.

Frequently asked questions

What is CVE-2019-0202?: The Apache Storm Logviewer daemon exposes HTTP-accessible endpoints to read/search log files on hosts running Storm. In Apache Storm versions 0.9.1-incubating to 1.2.2, it is possible to read files off the host's file system that were not intended to be accessible via these endpoints.
How severe is CVE-2019-0202?: CVE-2019-0202 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-2019-0202 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0202?: CVE-2019-0202 primarily affects Apache Storm. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0202?: 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-2019-0202 published?: CVE-2019-0202 was published on 2019-07-26 and last updated on 2026-06-17.

References

https://lists.apache.org/thread.html/220f1a77ff20749326a4c130446c5521db854da0afe81d1974b8109f%40%3Cuser.storm.apache.org%3E

Affected products (3)

cpe:2.3:a:apache:storm:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:storm:0.9.1:incubating:*:*:*:*:*:*
cpe:2.3:a:apache:storm:0.9.2:incubating:*:*:*:*:*:*

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