CVE-2017-12309

Description

A vulnerability in the Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to conduct a HTTP response splitting attack. The vulnerability is due to the failure of the application or its environment to properly sanitize input values. An attacker could exploit this vulnerability by injecting malicious HTTP headers, controlling the response body, or splitting the response into multiple responses. An exploit could allow the attacker to perform cross-site scripting attacks, cross-user defacement, web cache poisoning, and similar exploits. Cisco Bug IDs: CSCvf16705.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.98% Top 25%
Vendor Advisory cisco.com
Affected: n/a Cisco Email Security Appliance
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2017-12309?
CVE-2017-12309 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12309?
To fix CVE-2017-12309, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12309 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12309 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-12309?
CVE-2017-12309 affects n/a Cisco Email Security Appliance.
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