CVE-2020-15701
An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service.
Does this matter?
Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.
Description
An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed in 2.20.1-0ubuntu2.24, 2.20.9-0ubuntu7.16, 2.20.11-0ubuntu27.6.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.43% probability · 37th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-755
- Affected
- canonical/apport · canonical/ubuntu linux
- Source
- security@ubuntu.com
EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://launchpad.net/bugs/1877023Exploit, Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4449-1Vendor Advisory
- https://usn.ubuntu.com/4449-1/Vendor Advisory
- https://usn.ubuntu.com/4449-2/Vendor Advisory
- https://launchpad.net/bugs/1877023Exploit, Issue Tracking, Third Party Advisory
- https://usn.ubuntu.com/4449-1Vendor Advisory
- https://usn.ubuntu.com/4449-1/Vendor Advisory
- https://usn.ubuntu.com/4449-2/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.