Vulnerability Database

393,557

Total vulnerabilities in the database

CVE-2005-0195 — cisco / ios

Cisco IOS 12.0S through 12.3YH allows remote attackers to cause a denial of service (device restart) via a crafted IPv6 packet.

  • Published: May 2, 2005
  • Updated: Oct 4, 2026
  • CVE: CVE-2005-0195
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

No CWE or OWASP classifications available.

Software Affected versions
cisco / ios = 12.0s
cisco / ios = 12.0sx
cisco / ios = 12.0sz
cisco / ios = 12.2b
cisco / ios = 12.2bc
cisco / ios = 12.2bx
cisco / ios = 12.2bz
cisco / ios = 12.2cx
cisco / ios = 12.2cz
cisco / ios = 12.2ew
cisco / ios = 12.2ewa
cisco / ios = 12.2jk
cisco / ios = 12.2mc
cisco / ios = 12.2s
cisco / ios = 12.2se
cisco / ios = 12.2su
cisco / ios = 12.2sv
cisco / ios = 12.2sw
cisco / ios = 12.2sx
cisco / ios = 12.2sxa
cisco / ios = 12.2sxb
cisco / ios = 12.2sxd
cisco / ios = 12.2sy
cisco / ios = 12.2sz
cisco / ios = 12.2t
cisco / ios = 12.2yt
cisco / ios = 12.2yu
cisco / ios = 12.2yv
cisco / ios = 12.2yz
cisco / ios = 12.2zc
cisco / ios = 12.2zd
cisco / ios = 12.2ze
cisco / ios = 12.2zf
cisco / ios = 12.2zg
cisco / ios = 12.2zh
cisco / ios = 12.2zi
cisco / ios = 12.2zj
cisco / ios = 12.2zl
cisco / ios = 12.2zn
cisco / ios = 12.2zo
cisco / ios = 12.2zp
cisco / ios = 12.3
cisco / ios = 12.3b
cisco / ios = 12.3bc
cisco / ios = 12.3bw
cisco / ios = 12.3j
cisco / ios = 12.3ja
cisco / ios = 12.3t
cisco / ios = 12.3xa
cisco / ios = 12.3xb
cisco / ios = 12.3xc
cisco / ios = 12.3xd
cisco / ios = 12.3xe
cisco / ios = 12.3xf
cisco / ios = 12.3xg
cisco / ios = 12.3xh
cisco / ios = 12.3xi
cisco / ios = 12.3xk
cisco / ios = 12.3xl
cisco / ios = 12.3xm
cisco / ios = 12.3xn
cisco / ios = 12.3xq
cisco / ios = 12.3xr
cisco / ios = 12.3xs
cisco / ios = 12.3xt
cisco / ios = 12.3xu
cisco / ios = 12.3xw
cisco / ios = 12.3xx
cisco / ios = 12.3xy
cisco / ios = 12.3xz
cisco / ios = 12.3ya
cisco / ios = 12.3yd
cisco / ios = 12.3ye
cisco / ios = 12.3yf
cisco / ios = 12.3yg
cisco / ios = 12.3yh

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.