How severe is CVE-2014-2037?

CVE-2014-2037 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-2037 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2037?

CVE-2014-2037 affects Xelerance Openswan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-2037?

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

When was CVE-2014-2037 published?

CVE-2014-2037 was published on 2014-11-26 and last updated on 2026-06-17.

CVE-2014-2037

CVE-2014-2037 is a medium-severity vulnerability in Xelerance Openswan with a CVSS 2.0 base score of 5.0. 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 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Xelerance Openswan
Published: 2014-11-26
Last modified: 2026-06-17

Description

Openswan 2.6.40 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads. NOTE: this vulnerability exists because of an incomplete fix for CVE 2013-6466.

Frequently asked questions

What is CVE-2014-2037?: Openswan 2.6.40 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads. NOTE: this vulnerability exists because of an incomplete fix for CVE 2013-6466.
How severe is CVE-2014-2037?: CVE-2014-2037 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-2037 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2037?: CVE-2014-2037 affects Xelerance Openswan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-2037?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2037 published?: CVE-2014-2037 was published on 2014-11-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xelerance:openswan:2.6.40:*:*:*:*:*:*:*

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