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TI-2018-00128 Aliases CVE-2018-0158GHSA-fm8f-3j2c-52xr

Improper input validation in Cisco IOS and IOS XE

Priority CRITICAL 94Exploited in the wildCWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-401.

Summary

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.

Why it matters now

Exploitation Active In CISA KEV since 2022-03-03CISA due date 2022-03-17
EPSS 0.0719 94th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cisco IOS and IOS XECisco IOS and IOS XE—No fix listedCNA
  • Cisco IOS and IOS XE Vendor— Affected Cisco IOS and IOS XE Fixed in — No fix listed CNA

CPE configurations NVD · 30

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:15.5\(3\)s1.1:*:*:*:*:*:*:*15.5(3)s1.1VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.2:*:*:*:*:*:*:*15.5(3)s1.2VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.4:*:*:*:*:*:*:*15.5(3)s1.4VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.5:*:*:*:*:*:*:*15.5(3)s1.5VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.7:*:*:*:*:*:*:*15.5(3)s1.7VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.8:*:*:*:*:*:*:*15.5(3)s1.8VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.9:*:*:*:*:*:*:*15.5(3)s1.9VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.10:*:*:*:*:*:*:*15.5(3)s1.10VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.11:*:*:*:*:*:*:*15.5(3)s1.11VulnerableCisco
cpe:2.3:o:cisco:ios:15.5\(3\)s1.12:*:*:*:*:*:*:*15.5(3)s1.12VulnerableCisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.1:*:*:*:*:*:*:* Versions 15.5(3)s1.1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.2:*:*:*:*:*:*:* Versions 15.5(3)s1.2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.4:*:*:*:*:*:*:* Versions 15.5(3)s1.4 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.5:*:*:*:*:*:*:* Versions 15.5(3)s1.5 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.7:*:*:*:*:*:*:* Versions 15.5(3)s1.7 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.8:*:*:*:*:*:*:* Versions 15.5(3)s1.8 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.9:*:*:*:*:*:*:* Versions 15.5(3)s1.9 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.10:*:*:*:*:*:*:* Versions 15.5(3)s1.10 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.11:*:*:*:*:*:*:* Versions 15.5(3)s1.11 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.5\(3\)s1.12:*:*:*:*:*:*:* Versions 15.5(3)s1.12 Vulnerable ·Cisco
Show 20 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:cisco:asr_1001-hx:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1001-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1002-hx:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1004:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1006:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1006-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1009-x:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:h:cisco:asr_1013:-:*:*:*:*:*:*:*not specified by NVDRunning onCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.1:*:*:*:*:*:*:*15.5(3)s1.1VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.2:*:*:*:*:*:*:*15.5(3)s1.2VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.4:*:*:*:*:*:*:*15.5(3)s1.4VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.5:*:*:*:*:*:*:*15.5(3)s1.5VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.7:*:*:*:*:*:*:*15.5(3)s1.7VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.8:*:*:*:*:*:*:*15.5(3)s1.8VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.9:*:*:*:*:*:*:*15.5(3)s1.9VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.10:*:*:*:*:*:*:*15.5(3)s1.10VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.11:*:*:*:*:*:*:*15.5(3)s1.11VulnerableCisco
cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.12:*:*:*:*:*:*:*15.5(3)s1.12VulnerableCisco
cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5900:-:*:*:*:*:*:*:*not specified by NVDRunning onRockwell
  • cpe:2.3:h:cisco:asr_1001-hx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1001-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1002-hx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1004:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1006:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1006-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1009-x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:h:cisco:asr_1013:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.1:*:*:*:*:*:*:* Versions 15.5(3)s1.1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.2:*:*:*:*:*:*:* Versions 15.5(3)s1.2 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.4:*:*:*:*:*:*:* Versions 15.5(3)s1.4 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.5:*:*:*:*:*:*:* Versions 15.5(3)s1.5 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.7:*:*:*:*:*:*:* Versions 15.5(3)s1.7 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.8:*:*:*:*:*:*:* Versions 15.5(3)s1.8 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.9:*:*:*:*:*:*:* Versions 15.5(3)s1.9 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.10:*:*:*:*:*:*:* Versions 15.5(3)s1.10 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.11:*:*:*:*:*:*:* Versions 15.5(3)s1.11 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:15.5\(3\)s1.12:*:*:*:*:*:*:* Versions 15.5(3)s1.12 Vulnerable ·Cisco
  • cpe:2.3:h:rockwellautomation:allen-bradley_stratix_5900:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rockwell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2022-03-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2018-0158
  3. 2026-10-03 Alias added: GHSA-fm8f-3j2c-52xr

References

  • TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
See all 617 →

Sources