Vulnerability in Openeuler Isulad
CVE-2021-33632
Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in openEuler iSulad on Linux allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This vulnerability is associated with program files https://gitee.Com/openeuler/iSulad/blob/master/src/cmd/isulad/main.C. This issue affects iSulad: 2.0.18-13, from 2.1.4-1 through 2.1.4-2.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (3.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Openeuler Isulad — versions 2.0.18-13, 2.1.4-1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openeuler.org/zh/security/security-bulletins/detail/
- www.openeuler.org/zh/security/security-bulletins/detail/
- www.openeuler.org/zh/security/security-bulletins/detail/
- www.openeuler.org/zh/security/security-bulletins/detail/
- gitee.com/src-openeuler/iSulad/pulls/645
- gitee.com/src-openeuler/iSulad/pulls/640
- gitee.com/src-openeuler/iSulad/pulls/639
Frequently asked questions
- What is CVE-2021-33632?
- CVE-2021-33632 is a high-severity vulnerability in Openeuler Isulad, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2024-03-25.
- How severe is CVE-2021-33632?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2021-33632 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.