It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users.
CVE-2021-32548
HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence
This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- 7.3
- EG Score
- 7.3(medium)
- EPSS
- 20.8%
- KEV
- Not listed
Published
June 12, 2021
Last Modified
November 21, 2024
References (2)
- security@ubuntuhttps://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904
- af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(2)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Frequently asked(5)
What is CVE-2021-32548?
CVE-2021-32548 is a high vulnerability published on June 12, 2021. It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users.
When was CVE-2021-32548 disclosed?
CVE-2021-32548 was first published in the National Vulnerability Database on June 12, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-32548 actively exploited?
CVE-2021-32548 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-32548?
CVE-2021-32548 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2021-32548?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-32548, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2021-32548
Is Your Infrastructure Affected by CVE-2021-32548?
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