CVE-2013-2503 EXPLOIT
5.8
MEDIUM · CVSS 2.0 · EPSS 4.6% (pctl 91)
Patch early
A public exploit exists.
Description
Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server data stream, which makes it easier for remote HTTP servers to spoof the intended proxy service via a 407 (aka Proxy Authentication Required) HTTP status code.
Scoring
| CVSS | 5.8 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| EPSS | 4.63% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-20 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2013-03-11 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| privoxy | privoxy |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Privoxy Proxy - Authentication Information Disclosure | 2013-03-11 |
References
- http://blog.c22.cc/2013/03/11/privoxy-proxy-authentication-credential-exposure-cve-2013-2503/
- http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/ChangeLog?revision=1.188&view=markup
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00118.html
- http://blog.c22.cc/2013/03/11/privoxy-proxy-authentication-credential-exposure-cve-2013-2503/
- http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/ChangeLog?revision=1.188&view=markup
- http://lists.opensuse.org/opensuse-updates/2013-03/msg00118.html
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