CVE-2020-18979
CVE-2020-18979 is a medium-severity vulnerability in Halo 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% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Halo
- Published:
- Last modified:
Description
Cross Siste Scripting (XSS) vulnerablity in Halo 0.4.3 via the X-forwarded-for Header parameter.
Frequently asked questions
- What is CVE-2020-18979?
- Cross Siste Scripting (XSS) vulnerablity in Halo 0.4.3 via the X-forwarded-for Header parameter.
- How severe is CVE-2020-18979?
- CVE-2020-18979 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-2020-18979 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-18979?
- CVE-2020-18979 affects Halo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-18979?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-18979 published?
- CVE-2020-18979 was published on 2021-07-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:halo:halo:0.4.3:*:*:*:*:*:*:*
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