CVE-2017-3827: Input Validation
First published: Wed Feb 22 2017(Updated: )
A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA, both virtual and hardware appliances, that are configured with message or content filters to scan incoming email attachments on the ESA or services scanning content of web access on the WSA. More Information: SCvb91473, CSCvc76500. Known Affected Releases: 10.0.0-203 9.9.9-894 WSA10.0.0-233.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Web Security Appliance | =10.0.0-082 | |
| Cisco Web Security Appliance | =10.0.0-124 | |
| Cisco Web Security Appliance | =10.0.0-125 | |
| Cisco Web Security Appliance | =10.0.0-203 | |
| Cisco Web Security Appliance | =10.0.0-232 | |
| Cisco Email Security Appliance | =9.9.6-026 | |
| Cisco Email Security Appliance | =9.9.9-894 | |
| Cisco Email Security Appliance | =10.0.0-082 | |
| Cisco Email Security Appliance | =10.0.0-124 | |
| Cisco Email Security Appliance | =10.0.0-125 | |
| Cisco Email Security Appliance | =10.0.0-203 | |
| Cisco Email Security Appliance | =10.0.0-232 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-3827?
CVE-2017-3827 has been categorized as a medium severity vulnerability due to its potential to allow unauthorized access.
How do I fix CVE-2017-3827?
To address CVE-2017-3827, it's recommended to update the Cisco device firmware to the latest version provided by Cisco.
Who is affected by CVE-2017-3827?
CVE-2017-3827 affects Cisco Email Security Appliances and Web Security Appliances running specific versions of AsyncOS Software.
What can attackers do with CVE-2017-3827?
Attackers can exploit CVE-2017-3827 to bypass user filters on affected Cisco devices, potentially undermining security measures.
Is CVE-2017-3827 actively exploited in the wild?
As of now, there have been no confirmed reports of active exploitation of CVE-2017-3827 in the wild.
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- agent/weakness
- agent/author
- agent/description
- agent/tags
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco web security appliance
- version/cisco web security appliance/10.0.0-082
- version/cisco web security appliance/10.0.0-124
- version/cisco web security appliance/10.0.0-125
- version/cisco web security appliance/10.0.0-203
- version/cisco web security appliance/10.0.0-232
- canonical/cisco email security appliance
- version/cisco email security appliance/9.9.6-026
- version/cisco email security appliance/9.9.9-894
- version/cisco email security appliance/10.0.0-082
- version/cisco email security appliance/10.0.0-124
- version/cisco email security appliance/10.0.0-125
- version/cisco email security appliance/10.0.0-203
- version/cisco email security appliance/10.0.0-232