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Critical 9.1Published Mar 23, 2019

CVE-2019-9948urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggerin…

Updated under an hour ago ()

Does this affect you?

It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 13 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

urllib in Python 2.x through 2.7.16 supports the local_file: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist file: URIs, as demonstrated by triggering a urllib.urlopen('local_file:///etc/passwd') call.

CVSS
9.1 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-22
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
mitre
NVD analysis
Modified
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP
siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)
from V3.1.0 before V3.1.5
CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)
from V3.1.0 before V3.1.5
CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP
siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)
from V3.1.0 before V3.1.5
CISA ADP
python python
python:python
from 2.0 before 2.7.17; from 3.5.0 before 3.5.8; from 3.6.0 before 3.6.9; from 3.7.0 before 3.7.4
NVD
opensuse leap
opensuse:leap
15.0; 42.3
NVD
debian debian_linux
debian:debian_linux
8.0; 9.0
NVD
fedoraproject fedora
fedoraproject:fedora
29; 30
NVD
canonical ubuntu_linux
canonical:ubuntu_linux
12.04; 14.04; 16.04; 18.04; 19.04
NVD
redhat enterprise_linux_desktop
redhat:enterprise_linux_desktop
7.0; 8.0
NVD
redhat enterprise_linux_eus
redhat:enterprise_linux_eus
8.1; 8.2; 8.4; 8.6
NVD
redhat enterprise_linux_server
redhat:enterprise_linux_server
7.0; 8.0
NVD
redhat enterprise_linux_server_eus
redhat:enterprise_linux_server_eus
8.4
NVD
redhat enterprise_linux_tus
redhat:enterprise_linux_tus
8.2; 8.4; 8.6
NVD
redhat enterprise_linux_workstation
redhat:enterprise_linux_workstation
7.0; 8.0
NVD

References

  • x-refsource-misc, exploit, issue-tracking, vendor-advisory
  • x-refsource-misc, patch, third-party-advisory
  • vdb-entry, x-refsource-bid, third-party-advisory
  • x-refsource-confirm, third-party-advisory
  • vendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
  • vendor-advisory, x-refsource-suse, mailing-list, third-party-advisory
  • mailing-list, x-refsource-mlist, third-party-advisory
  • vendor-advisory, x-refsource-redhat, third-party-advisory
  • mailing-list, x-refsource-mlist, third-party-advisory
  • vendor-advisory, x-refsource-fedora
  • vendor-advisory, x-refsource-fedora
  • vendor-advisory, x-refsource-redhat, third-party-advisory
  • vendor-advisory, x-refsource-ubuntu, third-party-advisory
  • vendor-advisory, x-refsource-ubuntu, third-party-advisory
  • mailing-list, x-refsource-bugtraq, third-party-advisory
  • x-refsource-misc, third-party-advisory, vdb-entry
  • vendor-advisory, x-refsource-redhat, third-party-advisory
  • vendor-advisory, x-refsource-redhat, third-party-advisory
  • vendor-advisory, x-refsource-gentoo, third-party-advisory
  • mailing-list, x-refsource-mlist, third-party-advisory
  • mailing-list, x-refsource-mlist
  • mailing-list, x-refsource-mlist, third-party-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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