CVE-2021-36603
CVE-2021-36603 is a medium-severity vulnerability in Tasmota Project Tasmota 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)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Tasmota Project Tasmota
- Published:
- Last modified:
Description
Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
Frequently asked questions
- What is CVE-2021-36603?
- Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".
- How severe is CVE-2021-36603?
- CVE-2021-36603 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-2021-36603 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-36603?
- CVE-2021-36603 affects Tasmota Project Tasmota. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-36603?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-36603 published?
- CVE-2021-36603 was published on 2023-01-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:tasmota_project:tasmota:6.5.0:*:*:*:*:*:*:*
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