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High 7.5Published Feb 4, 2020
CVE-2019-9674Lib/zipfile.py in Python through 3.7.2 allows remote attackers to cause a denial of service (resource consumption) via a ZIP bomb.
Updated under an hour ago ()
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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 5 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Lib/zipfile.py in Python through 3.7.2 allows remote attackers to cause a denial of service (resource consumption) via a ZIP bomb.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- 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
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 3.2 through 3.8 | NVD |
canonical ubuntu_linux canonical:ubuntu_linux | 12.04; 14.04; 16.04; 18.04; 20.04 | NVD |
netapp active_iq_unified_manager netapp:active_iq_unified_manager | all versions | NVD |
References
- https://www.python.org/news/security/x-refsource-misc, vendor-advisory
- https://github.com/python/cpython/blob/master/Lib/zipfile.pyx-refsource-misc, third-party-advisory
- https://bugs.python.org/issue36462x-refsource-misc, issue-tracking, vendor-advisory
- https://bugs.python.org/issue36260x-refsource-misc, issue-tracking, vendor-advisory
- https://python-security.readthedocs.io/security.html#archives-and-zip-bombx-refsource-misc, vendor-advisory
- https://security.netapp.com/advisory/ntap-20200221-0003/x-refsource-confirm, third-party-advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.htmlvendor-advisory, x-refsource-suse, broken-link
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00041.htmlvendor-advisory, x-refsource-suse, broken-link
- https://usn.ubuntu.com/4428-1/vendor-advisory, x-refsource-ubuntu, third-party-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
The CVE record on cve.org NVD's entry
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.