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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.56% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.1% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-05-24 23:00Z15 YR AGO
- Last updated
- 2024-08-06 22:28Z2 YR AGO
- Reserved
- 2011-03-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 9740a23fc307ca330c7b8c2a6ecbd6634b226eed3706eb5fb7844c22857efd6b
05 Affected products
06 References
- openwall.com[oss-security] 20110916 Re: CVE Request -- Django: v1.3.1, v1.2.7 multiple security flawshttp://openwall.com/lists/oss-security/2011/09/15/5
- www.mandriva.comMDVSA-2011:096http://www.mandriva.com/security/advisories?name=MDVSA-2011:096
- lists.opensuse.orgSUSE-SR:2011:009http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- hg.python.orghttp://hg.python.org/cpython/rev/b2934d98dac1/
- www.ubuntu.comUSN-1592-1http://www.ubuntu.com/usn/USN-1592-1
- hg.python.orghttp://hg.python.org/cpython/rev/96a6c128822b/
- secunia.com51040http://secunia.com/advisories/51040
- secunia.com50858http://secunia.com/advisories/50858
- lists.apple.comAPPLE-SA-2011-10-12-3http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- bugs.python.orghttp://bugs.python.org/issue11662
- openwall.com[oss-security] 20110324 CVE Request -- Python (urllib, urllib2): Improper management of ftp:// and file:// URL schemeshttp://openwall.com/lists/oss-security/2011/03/24/5
- openwall.com[oss-security] 20110328 Re: CVE Request -- Python (urllib, urllib2): Improper management of ftp:// and file:// URL schemeshttp://openwall.com/lists/oss-security/2011/03/28/2
- securitytracker.com1025488http://securitytracker.com/id?1025488
- hg.python.orghttp://hg.python.org/cpython/file/96a6c128822b/Misc/NEWS
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=690560
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=737366
- www.ubuntu.comUSN-1596-1http://www.ubuntu.com/usn/USN-1596-1
- hg.python.orghttp://hg.python.org/cpython/file/b2934d98dac1/Misc/NEWS
- openwall.com[oss-security] 20110911 CVE Request -- Django: v1.3.1, v1.2.7 multiple security flawshttp://openwall.com/lists/oss-security/2011/09/11/1
- www.ubuntu.comUSN-1613-2http://www.ubuntu.com/usn/USN-1613-2
- support.apple.comhttp://support.apple.com/kb/HT5002
- www.djangoproject.comhttps://www.djangoproject.com/weblog/2011/sep/10/127/
- secunia.com51024http://secunia.com/advisories/51024
- www.ubuntu.comUSN-1613-1http://www.ubuntu.com/usn/USN-1613-1
- openwall.com[oss-security] 20110913 Re: CVE Request -- Django: v1.3.1, v1.2.7 multiple security flawshttp://openwall.com/lists/oss-security/2011/09/13/2
- www.djangoproject.comhttps://www.djangoproject.com/weblog/2011/sep/09/
07 Fixed in
Debian 11
- python2.7 Fixed in 2.7.1-7
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.