How severe is CVE-2007-5654?

CVE-2007-5654 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-5654 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5654?

CVE-2007-5654 affects Litespeed Technologies Litespeed Web Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5654?

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

When was CVE-2007-5654 published?

CVE-2007-5654 was published on 2007-10-23 and last updated on 2026-06-16.

CVE-2007-5654

CVE-2007-5654 is a medium-severity vulnerability in Litespeed Technologies Litespeed Web Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 41% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 41% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Litespeed Technologies Litespeed Web Server
Published: 2007-10-23
Last modified: 2026-06-16

Description

LiteSpeed Web Server before 3.2.4 allows remote attackers to trigger use of an arbitrary MIME type for a file via a "%00." sequence followed by a new extension, as demonstrated by reading PHP source code via requests for .php%00.txt files, aka "Mime Type Injection."

Frequently asked questions

What is CVE-2007-5654?: LiteSpeed Web Server before 3.2.4 allows remote attackers to trigger use of an arbitrary MIME type for a file via a "%00." sequence followed by a new extension, as demonstrated by reading PHP source code via requests for .php%00.txt files, aka "Mime Type Injection."
How severe is CVE-2007-5654?: CVE-2007-5654 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2007-5654 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 41% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5654?: CVE-2007-5654 affects Litespeed Technologies Litespeed Web Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5654?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-5654 published?: CVE-2007-5654 was published on 2007-10-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:litespeed_technologies:litespeed_web_server:*:*:*:*:*:*:*:*

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