How severe is CVE-2014-3620?

CVE-2014-3620 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2014-3620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3620?

CVE-2014-3620 primarily affects Haxx Curl. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3620?

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

When was CVE-2014-3620 published?

CVE-2014-3620 was published on 2014-11-18 and last updated on 2026-06-17.

CVE-2014-3620

CVE-2014-3620 is a medium-severity vulnerability in Haxx Curl 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Haxx Curl
Published: 2014-11-18
Last modified: 2026-06-17

Description

cURL and libcurl before 7.38.0 allow remote attackers to bypass the Same Origin Policy and set cookies for arbitrary sites by setting a cookie for a top-level domain.

Frequently asked questions

What is CVE-2014-3620?: cURL and libcurl before 7.38.0 allow remote attackers to bypass the Same Origin Policy and set cookies for arbitrary sites by setting a cookie for a top-level domain.
How severe is CVE-2014-3620?: CVE-2014-3620 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-3620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3620?: CVE-2014-3620 primarily affects Haxx Curl. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3620?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3620 published?: CVE-2014-3620 was published on 2014-11-18 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.31.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.32.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.33.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.34.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.35.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.36.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:curl:7.37.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.31.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.32.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.33.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.34.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.35.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.36.0:*:*:*:*:*:*:*
cpe:2.3:a:haxx:libcurl:7.37.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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