CVE-2020-8291
CVE-2020-8291 is a medium-severity vulnerability in Rocket.chat 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% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Rocket.chat
- Published:
- Last modified:
Description
A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.
Frequently asked questions
- What is CVE-2020-8291?
- A link preview rendering issue in Rocket.Chat versions before 3.9 could lead to potential XSS attacks.
- How severe is CVE-2020-8291?
- CVE-2020-8291 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-2020-8291 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8291?
- CVE-2020-8291 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8291?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8291 published?
- CVE-2020-8291 was published on 2021-10-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*
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