vulnwire
8.6high

CVE-2018-0158KEVin critical feed

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauth…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
8.6
v3.1 · CNA
CISA KEV
Yes
added 2022-03-03
EPSS
7.2%
percentile 94%
Public exploits
0
none known

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device to be processed. A successful exploit could cause an affected device to continuously consume memory and eventually reload, resulting in a DoS condition. Cisco Bug IDs: CSCvf22394.

Known exploited (CISA KEV)

Added
4 y ago
Due date
2022-03-17 (4 y ago)
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Vendor / product
Cisco / IOS Software and Cisco IOS XE Software
CISA name
Cisco IOS and XE Software Internet Key Exchange Memory Leak Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
yes
Technical impact
partial
Assessed
23 mo ago

Exploit prediction (EPSS)

7.19% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.18.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD3.18.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CNA3.18.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD2.07.8AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

  • n/a Cisco IOS and IOS XE

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-401 Missing Release of Memory after Effective Lifetime
Technology feeds
Cisco IOS (RSS, critical only)

References

  • securityfocus.com /bid/103566 · vdb-entry, x_refsource_BID, x_transferred
  • ics-cert.us-cert.gov /advisories/ICSA-18-107-03 · x_refsource_MISC, x_transferred
  • ics-cert.us-cert.gov /advisories/ICSA-18-107-04 · x_refsource_MISC, x_transferred
  • tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1040595 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0158 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.