Vulnerability Details : CVE-2011-1521

The urllib and urllib2 modules in Python 2.x before 2.7.2 and 3.x before 3.2.1 process Location headers that specify redirection to file: URLs, which makes it easier for remote attackers to obtain sensitive information or cause a denial of service (resource consumption) via a crafted URL, as demonstrated by the file:///etc/passwd and file:///dev/zero URLs.
Published 2011-05-24 23:55:03
Updated 2019-10-25 11:53:59
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2011-1521

Threat overview for CVE-2011-1521

Top countries where our scanners detected CVE-2011-1521
Top open port discovered on systems with this issue 8123
IPs affected by CVE-2011-1521 118,535
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-1521!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-1521

EPSS FAQ
11.75%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 95 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-1521

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
 NIST

CWE ids for CVE-2011-1521

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-1521

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