CVE-2018-0140

Name: CVE-2018-0140
Creator: NVD / NIST
Published: 2018-02-08T07:29:01.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.57%

Last modified Jun 17, 2026

CVE-2018-0140 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A vulnerability in the spam quarantine of Cisco Email Security Appliance and Cisco Content Security Management Appliance could allow an authenticated, remote attacker to download any message from the spam quarantine by modifying browser string information. The vulnerability is due to a lack of verification of authenticated user accounts. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

A vulnerability in the spam quarantine of Cisco Email Security Appliance and Cisco Content Security Management Appliance could allow an authenticated, remote attacker to download any message from the spam quarantine by modifying browser string information. The vulnerability is due to a lack of verification of authenticated user accounts. An attacker could exploit this vulnerability by modifying browser strings to see messages submitted by other users to the spam quarantine within their company. Cisco Bug IDs: CSCvg39759, CSCvg42295.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.57%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Email Security Appliance Firmware	9.8.0-112
Cisco	Email Security Appliance Firmware	10.0.1-087
Cisco	Email Security Appliance Firmware	11.0.0-274
Cisco	Content Security Management Appliance	10.0.0-096
Cisco	Content Security Management Appliance	10.1.0-037
Cisco	Content Security Management Appliance	10.1.0-052
Cisco	Content Security Management Appliance	11.0.0-115

References

http://www.securityfocus.com/bid/103090Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040338Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040339Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-esacsmVendor Advisory
http://www.securityfocus.com/bid/103090Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040338Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040339Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-esacsmVendor Advisory

Timeline

Published: Feb 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-0140?

How severe is CVE-2018-0140?

CVE-2018-0140 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-2018-0140?

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.

Are you affected by CVE-2018-0140?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST