What’s Vulnerable › Vulnerabilities

CVE-2003-0242

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2003-06-09 · updated 2026-06-16

Description

IPSec in Mac OS X before 10.2.6 does not properly handle certain incoming security policies that match by port, which could allow traffic that is not explicitly allowed by the policies.

Affected products

• macOS: before 10.2.6 — fixed in 10.2.6

How to fix

Upgrade to a fixed version: macOS 10.2.6. Check the vendor advisory for mitigations.

References

• http://docs.info.apple.com/article.html?artnum=61798
• http://secunia.com/advisories/8798
• http://securitytracker.com/id?1006796
• http://www.kb.cert.org/vuls/id/869548
• http://www.securityfocus.com/bid/7628
• https://exchange.xforce.ibmcloud.com/vulnerabilities/12027
• http://docs.info.apple.com/article.html?artnum=61798
• http://secunia.com/advisories/8798
• http://securitytracker.com/id?1006796
• http://www.kb.cert.org/vuls/id/869548
• http://www.securityfocus.com/bid/7628
• https://exchange.xforce.ibmcloud.com/vulnerabilities/12027

Get alerted when CVE-2003-0242 or the next vulnerability affects your stack