How severe is CVE-2018-11799?

CVE-2018-11799 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-11799 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11799?

CVE-2018-11799 primarily affects Apache Oozie. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11799?

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

When was CVE-2018-11799 published?

CVE-2018-11799 was published on 2018-12-19 and last updated on 2026-06-17.

CVE-2018-11799

CVE-2018-11799 is a medium-severity vulnerability in Apache Oozie with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apache Oozie
Published: 2018-12-19
Last modified: 2026-06-17

Description

Vulnerability allows a user of Apache Oozie 3.1.3-incubating to 5.0.0 to impersonate other users. The malicious user can construct an XML that results workflows running in other user's name.

Frequently asked questions

What is CVE-2018-11799?: Vulnerability allows a user of Apache Oozie 3.1.3-incubating to 5.0.0 to impersonate other users. The malicious user can construct an XML that results workflows running in other user's name.
How severe is CVE-2018-11799?: CVE-2018-11799 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-11799 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11799?: CVE-2018-11799 primarily affects Apache Oozie. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11799?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11799 published?: CVE-2018-11799 was published on 2018-12-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apache:oozie:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:oozie:3.1.3:incubating:*:*:*:*:*:*

More vulnerabilities in Apache Oozie

CVE-2017-15712 — Medium (CVSS 6.5): Vulnerability allows a user of Apache Oozie 3.1.3-incubating to 4.3.0 and 5.0.0-beta1 to expose private files on the…
CVE-2025-26796 — Medium (CVSS 5.4): ** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')…
CVE-2020-35451 — Medium (CVSS 4.7): There is a race condition in OozieSharelibCLI in Apache Oozie before version 5.2.1 which allows a malicious attacker to…

All CVEs affecting Apache Oozie →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →