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CVE-2001-1030
Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and…
- 7.5HighCVSS base score
- 2.0%Exploitation in 30 daysEPSS · top 20% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.
Timeline
ID reserved
By mitre
- 5 months later
· 5 months later
Published
- 22 years later
· 22 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.0% · top 20% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
7
- 20010718 Squid httpd acceleration acl bug enables portscanning (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- squid-http-accelerator-portscanning(6862) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- RHSA-2001:097 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- IMNX-2001-70-031-01 (opens in a new tab)vendor-advisoryx_refsource_IMMUNIXx_transferred
- MDKSA-2001:066 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- CSSA-2001-029.0 (opens in a new tab)vendor-advisoryx_refsource_CALDERAx_transferred
- 20010719 TSLSA-2001-0013 - Squid (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2001-1011 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2001-1030)Record last updated .