CVE-2004-2480
mediumpriority · track · 31EPSS 0.030 · 87 %ileexploit · functionalEUUSgrimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
3.03% (87th) EPSS
CVSS 5 · medium
Who says so?
2 sources
enisa_euvd · nvd
EPSS · scored 2026-10-28
Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via "@@" sequences in a URL within Internet Explorer.
01
cvss
Technical severity, 0–10. One row per scoring source.
5.0
010
base score 0–10 · higher = more severe · hover a vector to decode
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-24105National Science Foundation Squid Proxy 2.3 - Internet Access Control Bypassfunctional · exploit_db
04
affected products (2)
Products and version ranges known to be affected.
- national science foundation squid web proxy cache= 2.3_stable5nvdUScpe:2.3:a:national_science_foundation:squid_web_proxy_cache:*:*:*:*:*:*:*:*
05
also known as (2)
Other names and identifiers for this entity.
06
sources
Which sources assert this record, and when.
published 2004-12-31modified 2026-06-16
07
references (6)
External citations — patches, advisories, analysis.
- http://archives.neohapsis.com/archives/bugtraq/2004-05/0070.htmlenisa_euvd
- http://www.securityfocus.com/bid/10315enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16153enisa_euvd
- http://archives.neohapsis.com/archives/bugtraq/2004-05/0070.htmlExploitnvd
- http://www.securityfocus.com/bid/10315Exploitnvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16153nvd
scry
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan