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CVE-2010-1576

UnknownEPSS 1.83%

Last modified

CVE-2010-1576 is a vulnerability of currently unknown severity. The Cisco Content Services Switch (CSS) 11500 with software before 8.20.4.02 and the Application Control Engine (ACE) 4710 with software before A2(3.0) do not properly handle use of LF, CR, and LFCR as alternatives to the standard CRLF sequence between HTTP headers, which allows remote attackers to bypass intended header insertions or conduct HTTP request smuggling attacks via crafted header data, as demonstrated by LF characters preceding ClientCert-Subject and ClientCert-Subject-CN headers, aka Bug ID CSCta04885.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.

Description

The Cisco Content Services Switch (CSS) 11500 with software before 8.20.4.02 and the Application Control Engine (ACE) 4710 with software before A2(3.0) do not properly handle use of LF, CR, and LFCR as alternatives to the standard CRLF sequence between HTTP headers, which allows remote attackers to bypass intended header insertions or conduct HTTP request smuggling attacks via crafted header data, as demonstrated by LF characters preceding ClientCert-Subject and ClientCert-Subject-CN headers, aka Bug ID CSCta04885.

Metrics

EPSS Probability
1.83%

76.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoContent Services Switch 11500<= 8.20.3.03
CiscoContent Services Switch 115008.20.0.01
CiscoContent Services Switch 1150008.20.1.01
CiscoContent Services Switch 115008.20.1.01
CiscoContent Services Switch 115008.20.2.01
CiscoAce 4710<= a3\(2.5\)
CiscoAce 4710a1\(2.0\)
CiscoAce 4710a1\(8.0\)

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2010-1576?
The Cisco Content Services Switch (CSS) 11500 with software before 8.20.4.02 and the Application Control Engine (ACE) 4710 with software before A2(3.0) do not properly handle use of LF, CR, and LFCR as alternatives to the standard CRLF sequence between HTTP headers, which allows remote attackers to bypass intended header insertions or conduct HTTP request smuggling attacks via crafted header data, as demonstrated by LF characters preceding ClientCert-Subject and ClientCert-Subject-CN headers, aka Bug ID CSCta04885.
How severe is CVE-2010-1576?
Severity scoring for CVE-2010-1576 is pending analysis. The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.
How do I fix CVE-2010-1576?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST