CVE-2021-25684
mediumpriority · track · 31EPSS 0.006 · 47 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.57% (47th) EPSS
CVSS 4.6 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-28
It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.
01
cvss
Technical severity, 0–10. One row per scoring source.
8.8
010
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–8.8
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.18.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · security@ubuntu.comexploitability 2 · impact 6
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (8)
Products and version ranges known to be affected.
- canonical apport2.20.11-0ubuntu27 → 2.20.11-0ubuntu27.16nvdUScpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
- canonical apport2.20.11-0ubuntu50 → 2.20.11-0ubuntu50.5nvdUScpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (9)
External citations — patches, advisories, analysis.
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1912326cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-25684cnnvd
- https://packetstormsecurity.com/files/161274/Ubuntu-Security-Notice-USN-4720-2.htmlcnnvd
- https://ubuntu.com/security/notices/USN-4720-1Patchcnnvd
- https://vigilance.fr/vulnerability/Apport-three-vulnerabilities-34466cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.0369/cnnvd
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1912326enisa_euvd
- http://seclists.org/fulldisclosure/2025/Jun/9nvd
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