What’s Vulnerable › Vulnerabilities

CVE-1999-1216

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1993-04-22 · updated 2026-06-16

Description

Cisco routers 9.17 and earlier allow remote attackers to bypass security restrictions via certain IP source routed packets that should normally be denied using the "no ip source-route" command.

Affected products

• Cisco Router: through 9.17; 8.2, 8.3, 9.0, 9.1

References

• http://ciac.llnl.gov/ciac/bulletins/d-15.shtml
• http://www.cert.org/advisories/CA-1993-07.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/541
• http://ciac.llnl.gov/ciac/bulletins/d-15.shtml
• http://www.cert.org/advisories/CA-1993-07.html
• https://exchange.xforce.ibmcloud.com/vulnerabilities/541

Get alerted when CVE-1999-1216 or the next vulnerability affects your stack