How severe is CVE-2020-8021?

CVE-2020-8021 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-8021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8021?

CVE-2020-8021 primarily affects Opensuse Open Build Service. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8021?

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

When was CVE-2020-8021 published?

CVE-2020-8021 was published on 2020-05-19 and last updated on 2026-06-17.

CVE-2020-8021

CVE-2020-8021 is a medium-severity vulnerability in Opensuse Open Build Service with a CVSS 3.x base score of 5.3. 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-269.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Opensuse Open Build Service
Published: 2020-05-19
Last modified: 2026-06-17

Description

a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled This issue affects: Open Build Service versions prior to 2.10.5.

Frequently asked questions

What is CVE-2020-8021?: a Improper Access Control vulnerability in of Open Build Service allows remote attackers to read files of an OBS package where the sourceaccess/access is disabled This issue affects: Open Build Service versions prior to 2.10.5.
How severe is CVE-2020-8021?: CVE-2020-8021 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-8021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8021?: CVE-2020-8021 primarily affects Opensuse Open Build Service. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8021 published?: CVE-2020-8021 was published on 2020-05-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:opensuse:open_build_service:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

More vulnerabilities in Opensuse Open Build Service

CVE-2022-21949 — High (CVSS 8.8): A Improper Restriction of XML External Entity Reference vulnerability in SUSE Open Build Service allows remote…
CVE-2014-0594 — High (CVSS 8.8): In the Open Build Service (OBS) before version 2.4.6 the CSRF protection is incorrectly disabled in the web interface,…
CVE-2013-3703 — High (CVSS 8.8): The controller of the Open Build Service API prior to version 2.4.4 is missing a write permission check, allowing an…
CVE-2021-36777 — High (CVSS 8.1): A Reliance on Untrusted Inputs in a Security Decision vulnerability in the login proxy of the openSUSE Build service…
CVE-2011-3178 — High (CVSS 8.1): In the web ui of the openbuildservice before 2.3.0 a code injection of the project rebuildtimes statistics could be…
CVE-2014-0593 — High (CVSS 7.8): The set_version script as shipped with obs-service-set_version is a source validator for the Open Build Service (OBS).…

All CVEs affecting Opensuse Open Build Service →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →