How severe is CVE-2013-2233?

CVE-2013-2233 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2013-2233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2233?

CVE-2013-2233 affects Redhat Ansible. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-2233?

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-2013-2233 published?

CVE-2013-2233 was published on 2018-05-04 and last updated on 2026-06-16.

CVE-2013-2233

CVE-2013-2233 is a high-severity vulnerability in Redhat Ansible with a CVSS 3.x base score of 7.4. 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-320.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-320
Affected product: Redhat Ansible
Published: 2018-05-04
Last modified: 2026-06-16

Description

Ansible before 1.2.1 makes it easier for remote attackers to conduct man-in-the-middle attacks by leveraging failure to cache SSH host keys.

Frequently asked questions

What is CVE-2013-2233?: Ansible before 1.2.1 makes it easier for remote attackers to conduct man-in-the-middle attacks by leveraging failure to cache SSH host keys.
How severe is CVE-2013-2233?: CVE-2013-2233 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2013-2233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2233?: CVE-2013-2233 affects Redhat Ansible. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-2233?: 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-2013-2233 published?: CVE-2013-2233 was published on 2018-05-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:*

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