CVE-2017-12215: cisco asyncos Improper Input Validation
Vulnerability summary
CVE-2017-12215 is a high (CVSS 7.8) Improper Input Validation vulnerability in cisco asyncos. EPSS estimates a 1.73% chance of exploitation in the next 30 days, higher than 77.4% of scored vulnerabilities.
Timeline
- 21-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the email message filtering feature of Cisco AsyncOS Software for the Cisco Email Security Appliance could allow an unauthenticated, remote attacker to cause an affected device to run out of memory and stop scanning and forwarding email messages. When system memory is depleted, it can cause the filtering process to crash, resulting in a denial of service (DoS) condition on the device. This vulnerability affects software version 9.0 through the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. The vulnerability is not limited to any specific rules or actions for a message filter or content filter. Cisco Bug IDs: CSCvd29354.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.73%
Chance of exploitation in the next 30 days
Percentile
77%
Versus all other CVEs
30-day change
-0.69 pp
From 2.43% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- asyncos9.0 | 9.1 | 9.1.2 | 9.5 | 9.6 | 9.7 | 9.8
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170920-esaX Refsource CONFIRMVendor Advisory