CVE-2020-13483
CVE-2020-13483 is a medium-severity vulnerability in Bitrix24 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: 5% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Bitrix24
- Published:
- Last modified:
Description
The Web Application Firewall in Bitrix24 through 20.0.0 allows XSS via the items[ITEMS][ID] parameter to the components/bitrix/mobileapp.list/ajax.php/ URI.
Frequently asked questions
- What is CVE-2020-13483?
- The Web Application Firewall in Bitrix24 through 20.0.0 allows XSS via the items[ITEMS][ID] parameter to the components/bitrix/mobileapp.list/ajax.php/ URI.
- How severe is CVE-2020-13483?
- CVE-2020-13483 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-2020-13483 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-13483?
- CVE-2020-13483 affects Bitrix24. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-13483?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-13483 published?
- CVE-2020-13483 was published on 2020-06-24 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:bitrix24:bitrix24:*:*:*:*:*:*:*:*
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