Vulnerability in Pivotal Software Spring Security
CVE-2020-5407
Spring Security versions 5.2.x prior to 5.2.4 and 5.3.x prior to 5.3.2 contain a signature wrapping vulnerability during SAML response validation. When using the spring-security-saml2-service-provider component, a malicious user can carefully modify an otherwise valid SAML response and append an arbitrary assertion that Spring Security will accept as valid.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Pivotal Software Spring Security
- Spring By VMware Security — versions 5.2, 5.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/r73af928cf64bebf78b7fa4bc56a5253273ec7829f5f5827f6… (mailing-list)
- lists.apache.org/thread.html/rd99601fbca514f214f88f9e53fd5be3cfbff05b350c994b4e… (mailing-list)
- lists.apache.org/thread.html/ra19a4e7236877fe12bfb52db07b27ad72d9e7a9f5e27bba7e… (mailing-list)
- www.oracle.com/security-alerts/cpuoct2020.html
- tanzu.vmware.com/security/cve-2020-5407 (Vendor Advisory)
- www.oracle.com/security-alerts/cpujan2021.html
- www.oracle.com/security-alerts/cpuApr2021.html
Frequently asked questions
- What is CVE-2020-5407?
- CVE-2020-5407 is a high-severity vulnerability in Pivotal Software Spring Security, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.8/10. Published 2020-05-13.
- How severe is CVE-2020-5407?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-5407 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.