Privilege escalation in Ipython
CVE-2022-21699
IPython (Interactive Python) is a command shell for interactive computing in multiple programming languages, originally developed for the Python programming language. Affected versions are subject to an arbitrary code execution vulnerability achieved by not properly managing cross user temporary files. This vulnerability allows one user to run code as another on the same machine. All users are advised to upgrade.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000
Affected products
- Ipython — versions < 5.11, >= 6.0.0, < 7.16.3, >= 7.17.0, < 7.31.1
- Debian Linux — versions 9.0, 10.0, 11.0
- Fedoraproject Fedora — versions 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ipython/ipython/security/advisories/GHSA-pq7m-3gw7-gq5x (Exploit, Third Party Advisory)
- github.com/ipython/ipython/commit/46a51ed69cdf41b4333943d9ceeb945c4ede5668 (Patch, Third Party Advisory)
- ipython.readthedocs.io/en/stable/whatsnew/version8.html (Third Party Advisory, Release Notes)
- lists.debian.org/debian-lts-announce/2022/01/msg00021.html (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-21699?
- CVE-2022-21699 is a high-severity vulnerability in Ipython, classified under CWE-250. CVSS score: 8.2/10. Published 2022-01-19.
- How severe is CVE-2022-21699?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2022-21699 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.