How severe is CVE-2008-6520?

CVE-2008-6520 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2008-6520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-6520?

CVE-2008-6520 affects Imatix Xitami. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-6520?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2008-6520 published?

CVE-2008-6520 was published on 2009-03-25 and last updated on 2026-06-16.

CVE-2008-6520

CVE-2008-6520 is a critical-severity vulnerability in Imatix Xitami with a CVSS 2.0 base score of 10.0. 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-134.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Imatix Xitami
Published: 2009-03-25
Last modified: 2026-06-16

Description

Multiple format string vulnerabilities in the SSI filter in Xitami Web Server 2.5c2, and possibly other versions, allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via format string specifiers in a URI that ends in (1) .ssi, (2) .shtm, or (3) .shtml, which triggers incorrect logging code involving the sendfmt function in the SMT kernel.

Frequently asked questions

What is CVE-2008-6520?: Multiple format string vulnerabilities in the SSI filter in Xitami Web Server 2.5c2, and possibly other versions, allow remote attackers to cause a denial of service (daemon crash) and possibly execute arbitrary code via format string specifiers in a URI that ends in (1) .ssi, (2) .shtm, or (3) .shtml, which triggers incorrect logging code involving the sendfmt function in the SMT kernel.
How severe is CVE-2008-6520?: CVE-2008-6520 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-6520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-6520?: CVE-2008-6520 affects Imatix Xitami. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-6520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-6520 published?: CVE-2008-6520 was published on 2009-03-25 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:imatix:xitami:2.5c2:*:*:*:*:*:*:*

More vulnerabilities in Imatix Xitami

CVE-2008-6519 — Critical (CVSS 10.0): Format string vulnerability in Xitami Web Server 2.2a through 2.5c2, and possibly other versions, allows remote…
CVE-2007-5067 — High (CVSS 7.5): Multiple buffer overflows in iMatix Xitami Web Server 2.5c2 allow remote attackers to execute arbitrary code via a long…
CVE-2002-1942 — Medium (CVSS 5.0): Imatix Xitami 2.5 b5 does not properly terminate certain Keep-Alive connections that have been broken or closed early,…
CVE-2001-0391 — Medium (CVSS 5.0): Xitami 2.5d4 and earlier allows remote attackers to crash the server via an HTTP request to the /aux directory.
CVE-2000-1225 — Medium (CVSS 5.0): Xitami 2.5b installs the testcgi.exe program by default in the cgi-bin directory, which allows remote attackers to gain…
CVE-2002-1965 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in Errors.gsl in Imatix Xitami 2.5b4 and 2.5b5 allows remote attackers to…

All CVEs affecting Imatix Xitami →

Other CWE-134 vulnerabilities

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CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

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