How severe is CVE-2018-10868?

CVE-2018-10868 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 none, integrity none, and availability high.

Is CVE-2018-10868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10868?

CVE-2018-10868 affects Redhat Certification. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10868?

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-2018-10868 published?

CVE-2018-10868 was published on 2021-05-26 and last updated on 2026-06-17.

CVE-2018-10868

CVE-2018-10868 is a high-severity vulnerability in Redhat Certification 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Redhat Certification
Published: 2021-05-26
Last modified: 2026-06-17

Description

redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a "Billion Laugh Attack" by replying to XMLRPC methods when getting the status of an host.

Frequently asked questions

What is CVE-2018-10868?: redhat-certification 7 does not properly restrict the number of recursive definitions of entities in XML documents, allowing an unauthenticated user to run a "Billion Laugh Attack" by replying to XMLRPC methods when getting the status of an host.
How severe is CVE-2018-10868?: CVE-2018-10868 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 none, integrity none, and availability high.
Is CVE-2018-10868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10868?: CVE-2018-10868 affects Redhat Certification. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-10868?: 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-2018-10868 published?: CVE-2018-10868 was published on 2021-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redhat:certification:7.0:*:*:*:*:*:*:*

More vulnerabilities in Redhat Certification

CVE-2018-10870 — Critical (CVSS 9.8): redhat-certification does not properly sanitize paths in rhcertStore.py:__saveResultsFile. A remote attacker could use…
CVE-2018-10867 — Critical (CVSS 9.1): Files are accessible without restrictions from the /update/results page of redhat-certification 7 package, allowing an…
CVE-2018-10866 — Critical (CVSS 9.1): It was discovered that the /configuration view of redhat-certification 7 does not perform an authorization check and it…
CVE-2018-10865 — High (CVSS 7.5): It was discovered that the /configuration view of redhat-certification 7 does not perform an authorization check and it…
CVE-2018-10863 — High (CVSS 7.5): It was discovered that redhat-certification 7 is not properly configured and it lists all files and directories in the…
CVE-2018-10869 — High (CVSS 7.5): redhat-certification does not properly restrict files that can be download through the /download page. A remote…

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