CVE-2019-1741

Summary

A vulnerability in the Cisco Encrypted Traffic Analytics (ETA) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to a logic error that exists when handling a malformed incoming packet, leading to access to an internal data structure after it has been freed. An attacker could exploit this vulnerability by sending crafted, malformed IP packets to an affected device. A successful exploit could allow the attacker to cause an affected device to reload, resulting in a DoS condition.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco IOS XE Software3.2.0JAaffected
CiscoCisco IOS XE Software16.6.1affected
CiscoCisco IOS XE Software16.6.2affected
CiscoCisco IOS XE Software16.6.3affected
CiscoCisco IOS XE Software16.7.1affected
CiscoCisco IOS XE Software16.7.1aaffected
CiscoCisco IOS XE Software16.7.1baffected
CiscoCisco IOS XE Software16.8.1affected
CiscoCisco IOS XE Software16.8.1aaffected
CiscoCisco IOS XE Software16.8.1baffected
CiscoCisco IOS XE Software16.8.1saffected
CiscoCisco IOS XE Software16.8.1caffected
CiscoCisco IOS XE Software16.8.1daffected
CiscoCisco IOS XE Software16.8.1eaffected

Weaknesses

  • CWE-20: CWE-20

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References