Improper input validation in Cisco Asr 901-12c-F-D
CVE-2018-0159
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of specific IKEv1 packets. An attacker could exploit this vulnerability by sending crafted IKEv1 packets to an affected device during an IKE negotiation. A successful exploit could allow the attacker to cause an affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCuj73916.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.069 (94.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.069 · newest: 0.069 · change: 0.000
Affected products
- Cisco Asr 901-12c-F-D
- Cisco Asr 901-12c-Ft-D
- Cisco Asr 901-4c-F-D
- Cisco Asr 901-4c-Ft-D
- Cisco Asr 901-6cz-F-A
- Cisco Asr 901-6cz-F-D
- Cisco Asr 901-6cz-Ft-A
- Cisco Asr 901-6cz-Ft-D
- Cisco iOS — versions 15.3\(3\)s, 15.3(3)s
- Cisco iOS Xe — versions 15.3\(3\)s, 15.3(3)s
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/103562 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.securitytracker.com/id/1040595 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328… (Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2018-0159?
- CVE-2018-0159 is a high-severity vulnerability in Cisco Asr 901-12c-F-D, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2018-03-28.
- How severe is CVE-2018-0159?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-0159 known to be exploited?
- Yes. CVE-2018-0159 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.