CVE-2020-23957
CVE-2020-23957 is a medium-severity vulnerability in Pega Pega Platform 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: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Pega Pega Platform
- Published:
- Last modified:
Description
Pega Platform through 8.4.x is affected by Cross Site Scripting (XSS) via the ConnectionID parameter, as demonstrated by a pyActivity=Data-TRACERSettings.pzStartTracerSession request to a PRAuth URI.
Frequently asked questions
- What is CVE-2020-23957?
- Pega Platform through 8.4.x is affected by Cross Site Scripting (XSS) via the ConnectionID parameter, as demonstrated by a pyActivity=Data-TRACERSettings.pzStartTracerSession request to a PRAuth URI.
- How severe is CVE-2020-23957?
- CVE-2020-23957 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-2020-23957 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-23957?
- CVE-2020-23957 affects Pega Pega Platform. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-23957?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-23957 published?
- CVE-2020-23957 was published on 2020-12-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pega:pega_platform:*:*:*:*:*:*:*:*
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