CVE-2019-16935
MEDIUMCVSS 6.1/10EPSS 4.65%
Last modified
CVE-2019-16935 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py in Python 2.x, and in Lib/xmlrpc/server.py in Python 3.x. EPSS estimates a 4.65% chance of exploitation in the next 30 days.
Description
The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py in Python 2.x, and in Lib/xmlrpc/server.py in Python 3.x. If set_server_title is called with untrusted input, arbitrary JavaScript can be delivered to clients that visit the http URL for this server.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Python | Python | >= 2.7.0, < 2.7.17 |
| Python | Python | >= 3.0.0, < 3.5.8 |
| Python | Python | >= 3.6.0, < 3.6.10 |
| Python | Python | >= 3.7.0, < 3.7.5 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.04 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00062.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00063.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00021.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlMailing List, Third Party Advisory
- https://bugs.python.org/issue38243Exploit, Vendor Advisory
- https://github.com/python/cpython/pull/16373Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00015.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191017-0004/Third Party Advisory
- https://usn.ubuntu.com/4151-1/Third Party Advisory
- https://usn.ubuntu.com/4151-2/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00062.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00063.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00012.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00021.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.htmlMailing List, Third Party Advisory
- https://bugs.python.org/issue38243Exploit, Vendor Advisory
- https://github.com/python/cpython/pull/16373Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00015.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191017-0004/Third Party Advisory
- https://usn.ubuntu.com/4151-1/Third Party Advisory
- https://usn.ubuntu.com/4151-2/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-16935?
The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py in Python 2.x, and in Lib/xmlrpc/server.py in Python 3.x. If set_server_title is called with untrusted input, arbitrary JavaScript can be delivered to clients that visit the http URL for this server.
How severe is CVE-2019-16935?
CVE-2019-16935 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 4.65% probability of exploitation in the next 30 days.
How do I fix CVE-2019-16935?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-16928Exim 4.92 through 4.92.2 allows remote code execution, a dif…9.8
- CVE-2019-16929Auth0 auth0.net before 6.5.4 has Incorrect Access Control be…7.5
- CVE-2019-1693A vulnerability in the WebVPN service of Cisco Adaptive Secu…6.5
- CVE-2019-16930Zcashd in Zcash before 2.0.7-3 allows discovery of the IP ad…5.3
- CVE-2019-16931A stored XSS vulnerability in the Visualizer plugin 3.3.0 fo…6.1
- CVE-2019-16932A blind SSRF vulnerability exists in the Visualizer plugin b…10
- CVE-2019-1694A vulnerability in the TCP processing engine of Cisco Adapti…8.6
- CVE-2019-16941NSA Ghidra through 9.0.4, when experimental mode is enabled,…9.8
- CVE-2019-16942A Polymorphic Typing issue was discovered in FasterXML jacks…9.8
- CVE-2019-16943A Polymorphic Typing issue was discovered in FasterXML jacks…9.8
- CVE-2019-16948An SSRF issue was discovered in Enghouse Web Chat 6.1.300.31…9.8
- CVE-2019-16949An issue was discovered in Enghouse Web Chat 6.1.300.31 and …6.5
Are you affected by CVE-2019-16935?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST