How severe is CVE-2013-4484?

CVE-2013-4484 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-4484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4484?

CVE-2013-4484 primarily affects Varnish-cache Varnish. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-4484?

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

When was CVE-2013-4484 published?

CVE-2013-4484 was published on 2013-11-01 and last updated on 2026-06-16.

CVE-2013-4484

CVE-2013-4484 is a medium-severity vulnerability in Varnish-cache Varnish 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-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Varnish-cache Varnish
Published: 2013-11-01
Last modified: 2026-06-16

Description

Varnish before 3.0.5 allows remote attackers to cause a denial of service (child-process crash and temporary caching outage) via a GET request with trailing whitespace characters and no URI.

Frequently asked questions

What is CVE-2013-4484?: Varnish before 3.0.5 allows remote attackers to cause a denial of service (child-process crash and temporary caching outage) via a GET request with trailing whitespace characters and no URI.
How severe is CVE-2013-4484?: CVE-2013-4484 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-4484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4484?: CVE-2013-4484 primarily affects Varnish-cache Varnish. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4484 published?: CVE-2013-4484 was published on 2013-11-01 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:a:varnish-cache:varnish:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.0.6:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:2.1.5:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.0:beta2:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:varnish_cache_project:varnish_cache:3.0.3:*:*:*:*:*:*:*

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