How severe is CVE-2007-0450?

CVE-2007-0450 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-0450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 91% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0450?

CVE-2007-0450 primarily affects Apache Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-0450?

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

When was CVE-2007-0450 published?

CVE-2007-0450 was published on 2007-03-16 and last updated on 2026-06-16.

CVE-2007-0450

CVE-2007-0450 is a medium-severity vulnerability in Apache Http Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 91% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 91% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Apache Http Server
Published: 2007-03-16
Last modified: 2026-06-16

Description

Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.

Frequently asked questions

What is CVE-2007-0450?: Directory traversal vulnerability in Apache HTTP Server and Tomcat 5.x before 5.5.22 and 6.x before 6.0.10, when using certain proxy modules (mod_proxy, mod_rewrite, mod_jk), allows remote attackers to read arbitrary files via a .. (dot dot) sequence with combinations of (1) "/" (slash), (2) "\" (backslash), and (3) URL-encoded backslash (%5C) characters in the URL, which are valid separators in Tomcat but not in Apache.
How severe is CVE-2007-0450?: CVE-2007-0450 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-0450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 91% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0450?: CVE-2007-0450 primarily affects Apache Http Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-0450?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-0450 published?: CVE-2007-0450 was published on 2007-03-16 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:apache:http_server:-:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

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