Improper input validation in Cisco Ios And Xe
CVE-2017-12240
The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system. The atta…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.107 (93.5th percentile) — read the EPSS interpretation.
Affected products
- N/a Cisco Ios And Xe — versions Cisco IOS and IOS XE
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
- quickview.cloudapps.cisco.com/quickview/bug/CSCuw77959 (x_refsource_CONFIRM)
- quickview.cloudapps.cisco.com/quickview/bug/CSCsm45390 (x_refsource_CONFIRM)
- 101034 (vdb-entry, x_refsource_BID)
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927… (x_refsource_CONFIRM)
- 1039445 (vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2017-12240?
- CVE-2017-12240 is a vulnerability in Cisco Ios And Xe, classified under Improper Input Validation. Published 2017-09-28.
- Is CVE-2017-12240 known to be exploited?
- Yes. CVE-2017-12240 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.