CVE-2002-0778

CVE-2002-0778 is a high-severity vulnerability in Cisco Content Distribution Manager 4630 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: High (CVSS 2.0 base score 7.5)
• EPSS exploit prediction: 2% (73rd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Cisco Content Distribution Manager 4630
• Published: 2002-08-12
• Last modified: 2026-06-16

Description

The default configuration of the proxy for Cisco Cache Engine and Content Engine allows remote attackers to use HTTPS to make TCP connections to allowed IP addresses while hiding the actual source IP.

Frequently asked questions

What is CVE-2002-0778?

The default configuration of the proxy for Cisco Cache Engine and Content Engine allows remote attackers to use HTTPS to make TCP connections to allowed IP addresses while hiding the actual source IP.

How severe is CVE-2002-0778?

CVE-2002-0778 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2002-0778 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0778?

CVE-2002-0778 primarily affects Cisco Content Distribution Manager 4630. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0778?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-0778 published?

CVE-2002-0778 was published on 2002-08-12 and last updated on 2026-06-16.

References

• http://www.cisco.com/warp/public/707/transparentcache-tcp-relay-vuln-pub.shtml
• http://www.iss.net/security_center/static/9082.php
• http://www.securityfocus.com/bid/4751

Affected products (39)

• cpe:2.3:a:cisco:content_distribution_manager_4630:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_distribution_manager_4630:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_distribution_manager_4630:4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_distribution_manager_4650:*:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_distribution_manager_4650:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_distribution_manager_4650:4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:507:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:507_2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:507_3.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:507_4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:507_4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:560:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:560_2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:560_3.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:560_4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:560_4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:590:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:590_2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:590_3.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:590_4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:590_4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:7320:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:7320_2.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:7320_3.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:7320_4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:content_engine:7320_4.1:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:enterprise_content_delivery_network_software:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:cisco:enterprise_content_delivery_network_software:4.1:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_505:2.4.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_505:3.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_550:*:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_550:2.2.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_550:2.4.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_550:3.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_570:2.2.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_570:2.4.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_570:3.0:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:cache_engine_570:570:*:*:*:*:*:*:*
• cpe:2.3:h:cisco:content_router_4430:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Content Distribution Manager 4630

• CVE-2003-0982 — High (CVSS 7.5): Buffer overflow in the authentication module for Cisco ACNS 4.x before 4.2.11, and 5.x before 5.0.5, allows remote…
• CVE-2005-0600 — Medium (CVSS 5.0): Cisco devices running Application and Content Networking System (ACNS) 5.0, 5.1 before 5.1.13.7, or 5.2 before 5.2.3.9…
• CVE-2005-0598 — Medium (CVSS 5.0): The RealServer RealSubscriber on Cisco devices running Application and Content Networking System (ACNS) 5.1 allow…

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