How severe is CVE-2013-4352?

CVE-2013-4352 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-4352 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4352?

CVE-2013-4352 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4352?

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

When was CVE-2013-4352 published?

CVE-2013-4352 was published on 2014-07-20 and last updated on 2026-06-16.

CVE-2013-4352

CVE-2013-4352 is a medium-severity vulnerability in Apache Http Server with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apache Http Server
Published: 2014-07-20
Last modified: 2026-06-16

Description

The cache_invalidate function in modules/cache/cache_storage.c in the mod_cache module in the Apache HTTP Server 2.4.6, when a caching forward proxy is enabled, allows remote HTTP servers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger a missing hostname value.

Frequently asked questions

What is CVE-2013-4352?: The cache_invalidate function in modules/cache/cache_storage.c in the mod_cache module in the Apache HTTP Server 2.4.6, when a caching forward proxy is enabled, allows remote HTTP servers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger a missing hostname value.
How severe is CVE-2013-4352?: CVE-2013-4352 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-4352 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4352?: CVE-2013-4352 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4352?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4352 published?: CVE-2013-4352 was published on 2014-07-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:*

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All CVEs affecting Apache Http Server →

Threat intelligence

Threat-intel indicators referencing this CVE:

45.84.120.3 (ipv4-addr)
45.232.73.84 (ipv4-addr)
41.205.23.59 (ipv4-addr)
203.192.232.180 (ipv4-addr)
189.15.10.179 (ipv4-addr)
187.110.238.50 (ipv4-addr)
177.53.215.134 (ipv4-addr)
151.80.141.196 (ipv4-addr)