How severe is CVE-2014-7948?

CVE-2014-7948 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-7948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-7948?

CVE-2014-7948 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-7948?

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

When was CVE-2014-7948 published?

CVE-2014-7948 was published on 2015-01-22 and last updated on 2026-06-17.

CVE-2014-7948

CVE-2014-7948 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 4.3. 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 4.3)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Google Chrome
Published: 2015-01-22
Last modified: 2026-06-17

Description

The AppCacheUpdateJob::URLFetcher::OnResponseStarted function in content/browser/appcache/appcache_update_job.cc in Google Chrome before 40.0.2214.91 proceeds with AppCache caching for SSL sessions even if there is an X.509 certificate error, which allows man-in-the-middle attackers to spoof HTML5 application content via a crafted certificate.

Frequently asked questions

What is CVE-2014-7948?: The AppCacheUpdateJob::URLFetcher::OnResponseStarted function in content/browser/appcache/appcache_update_job.cc in Google Chrome before 40.0.2214.91 proceeds with AppCache caching for SSL sessions even if there is an X.509 certificate error, which allows man-in-the-middle attackers to spoof HTML5 application content via a crafted certificate.
How severe is CVE-2014-7948?: CVE-2014-7948 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-7948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-7948?: CVE-2014-7948 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-7948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-7948 published?: CVE-2014-7948 was published on 2015-01-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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