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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

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 attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a buffer overflow condition in the DHCP relay subsystem of the affected software. An attacker could exploit this vulnerability by sending a crafted DHCP Version 4 (DHCPv4) packet to an affected system. A successful exploit could allow the attacker to execute arbitrary code and gain full control of the affected system or cause the affected system to reload, resulting in a DoS condition. Cisco Bug IDs: CSCsm45390, CSCuw77959.

CVSS 9.8 · CriticalBuzz score 47.6KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 47.6

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 6.5 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first
  • Old vulnerabilities in Cisco products actively exploited in the wildSecurity Affairs

    IT giant Cisco is warning of threat actors exploiting many old vulnerabilities in attacks in the wild. Cisco has updated multiple security advisories to warn of the active exploitation of several old vulnerabilities impacting its products. The bugs, some of which are rated as ‘critical’ severity, impact Cisco IOS, NX-OS, and HyperFlex software. Below are […]

    newssecurityaffairs.comDec 19, 2022, 9:07 PM
  • Cisco Warns of Many Old Vulnerabilities Being Exploited in AttacksSecurityWeek

    Cisco has updated multiple security advisories to warn of the malicious exploitation of severe vulnerabilities impacting its networking devices. Many of the bugs, which carry severity ratings of ‘critical’ or ‘high’, have been addressed 4-5 years ago, but organizations that haven’t patched their devices continue to be impacted.

    newswww.securityweek.comDec 19, 2022, 12:53 PM
  • CISCO addressed several critical IOS flaws that expose devices to remote attacksSecurity Affairs

    Cisco has released security updates for its IOS Operating System to fix more than a dozen critical and high severity vulnerabilities. Cisco has released updates for its IOS software to fix more than a dozen critical and high severity vulnerabilities that could be exploited by attackers to remotely take over company’s switches and routers. Giving […]

    newssecurityaffairs.comSep 28, 2017, 11:35 AM
  • Critical IOS Flaws Expose Cisco Devices to Remote AttacksSecurityWeek

    Cisco has released updates for its IOS software to address more than a dozen critical and high severity vulnerabilities that expose the company’s switches and routers to remote attacks.

    newswww.securityweek.comSep 28, 2017, 8:37 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
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