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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.61% probability · 76th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- cisco/content distribution manager 4630 · cisco/content distribution manager 4650 · cisco/content engine · cisco/enterprise content delivery network software · cisco/cache engine 505 · cisco/cache engine 550 · cisco/cache engine 570 · cisco/content router 4430
- Source
- cve@mitre.org
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.cisco.com/warp/public/707/transparentcache-tcp-relay-vuln-pub.shtmlVendor Advisory
- http://www.iss.net/security_center/static/9082.phpVendor Advisory
- http://www.securityfocus.com/bid/4751Patch, Vendor Advisory
- http://www.cisco.com/warp/public/707/transparentcache-tcp-relay-vuln-pub.shtmlVendor Advisory
- http://www.iss.net/security_center/static/9082.phpVendor Advisory
- http://www.securityfocus.com/bid/4751Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.