CVE-2020-5497
CVE-2020-5497 is a medium-severity vulnerability in Mitreid Connect with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Mitreid Connect
- Published:
- Last modified:
Description
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
Frequently asked questions
- What is CVE-2020-5497?
- The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- How severe is CVE-2020-5497?
- CVE-2020-5497 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-5497 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-5497?
- CVE-2020-5497 affects Mitreid Connect. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-5497?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-5497 published?
- CVE-2020-5497 was published on 2020-01-04 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.html
- http://seclists.org/fulldisclosure/2020/Feb/25
- https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521
- https://www.securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497
Affected products (1)
- cpe:2.3:a:mitreid:connect:*:*:*:*:*:*:*:*
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