How severe is CVE-2015-1229?

CVE-2015-1229 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-1229 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1229?

CVE-2015-1229 primarily affects Google Chrome. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1229?

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

When was CVE-2015-1229 published?

CVE-2015-1229 was published on 2015-03-09 and last updated on 2026-06-17.

CVE-2015-1229

CVE-2015-1229 is a medium-severity vulnerability in Google Chrome 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-19.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Google Chrome
Published: 2015-03-09
Last modified: 2026-06-17

Description

net/http/proxy_client_socket.cc in Google Chrome before 41.0.2272.76 does not properly handle a 407 (aka Proxy Authentication Required) HTTP status code accompanied by a Set-Cookie header, which allows remote proxy servers to conduct cookie-injection attacks via a crafted response.

Frequently asked questions

What is CVE-2015-1229?: net/http/proxy_client_socket.cc in Google Chrome before 41.0.2272.76 does not properly handle a 407 (aka Proxy Authentication Required) HTTP status code accompanied by a Set-Cookie header, which allows remote proxy servers to conduct cookie-injection attacks via a crafted response.
How severe is CVE-2015-1229?: CVE-2015-1229 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-1229 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1229?: CVE-2015-1229 primarily affects Google Chrome. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1229?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1229 published?: CVE-2015-1229 was published on 2015-03-09 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop_supplementary:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_supplementary_eus:6.6.z:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation_supplementary:6.0:*:*:*:*:*:*:*

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