CVE-2018-0087 — MEDIUM (5.6)

Vulnerability Description

A vulnerability in the FTP server of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to log in to the FTP server of the device without a valid password. The attacker does need to have a valid username. The vulnerability is due to incorrect FTP user credential validation. An attacker could exploit this vulnerability by using FTP to connect to the management IP address of the targeted device. A successful exploit could allow the attacker to log in to the FTP server of the Cisco WSA without having a valid password. This vulnerability affects Cisco AsyncOS for WSA Software on both virtual and hardware appliances that are running any release of Cisco AsyncOS 10.5.1 for WSA Software. The device is vulnerable only if FTP is enabled on the management interface. FTP is disabled by default. Cisco Bug IDs: CSCvf74281.

CVSS Score

5.6

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Cisco	Asyncos	10.5.1-296

Related Weaknesses (CWE)

CWE-287

References

http://www.securityfocus.com/bid/103407Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040464Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/103407Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040464Third Party AdvisoryVDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2018-0087?

CVE-2018-0087 is a vulnerability with a CVSS score of 5.6 (MEDIUM). A vulnerability in the FTP server of the Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to log in to the FTP server of the device without a valid password. The atta...

How severe is CVE-2018-0087?

CVE-2018-0087 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-0087?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Asyncos.