How severe is CVE-2020-8031?

CVE-2020-8031 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2020-8031 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-2020-8031?

CVE-2020-8031 affects Opensuse Open Build Service. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8031?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-8031 published?

CVE-2020-8031 was published on 2021-02-11 and last updated on 2026-06-17.

CVE-2020-8031

CVE-2020-8031 is a medium-severity vulnerability in Opensuse Open Build Service with a CVSS 3.x base score of 6.3. 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 6.3)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opensuse Open Build Service
Published: 2021-02-11
Last modified: 2026-06-17

Description

A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Open Build Service allows remote attackers to store JS code in markdown that is not properly escaped, impacting confidentiality and integrity. This issue affects: Open Build Service versions prior to 2.10.8.

Frequently asked questions

What is CVE-2020-8031?: A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Open Build Service allows remote attackers to store JS code in markdown that is not properly escaped, impacting confidentiality and integrity. This issue affects: Open Build Service versions prior to 2.10.8.
How severe is CVE-2020-8031?: CVE-2020-8031 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2020-8031 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-2020-8031?: CVE-2020-8031 affects Opensuse Open Build Service. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8031?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8031 published?: CVE-2020-8031 was published on 2021-02-11 and last updated on 2026-06-17.

References

https://bugzilla.suse.com/show_bug.cgi?id=1178880

Affected products (1)

cpe:2.3:a:opensuse:open_build_service:*:*:*:*:*:*:*:*

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