Vulnerability in Misp
CVE-2020-8890
An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/MISP/MISP/commit/c1a0b3b2809b21b4df8c1efbc803aff700e262c3 (Patch, Third Party Advisory)
- github.com/MISP/MISP/commit/934c82819237b4edf1da64587b72a87bec5dd520 (Patch, Third Party Advisory)
- github.com/MISP/MISP/compare/v2.4.120...v2.4.121 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8890?
- CVE-2020-8890 is a medium-severity vulnerability in Misp, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.9/10. Published 2020-02-12.
- How severe is CVE-2020-8890?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2020-8890 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.