Deserialization in Mybatis
CVE-2020-26945
MyBatis before 3.5.6 mishandles deserialization of object streams.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/mybatis/mybatis-3/pull/2079 (Patch, Third Party Advisory)
- github.com/mybatis/mybatis-3/compare/mybatis-3.5.5...mybatis-3.5.6 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-26945?
- CVE-2020-26945 is a high-severity vulnerability in Mybatis, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2020-10-10.
- How severe is CVE-2020-26945?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2020-26945 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.