CVE-2020-15702: canonical apport
Vulnerability summary
CVE-2020-15702 is a high (CVSS 7.0) vulnerability in canonical apport. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.4% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 06-08-2020PublishedVulnerability first disclosed.
- 03-11-2025Last modifiedVulnerability information updated.
Description
TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which can then be used to escalate privileges. Fixed in 2.20.1-0ubuntu2.24, 2.20.9 versions prior to 2.20.9-0ubuntu7.16 and 2.20.11 versions prior to 2.20.11-0ubuntu27.6. Was ZDI-CAN-11234.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
0.00 pp
From 0.50% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical2 products
- apport≥ 2.20.1, < 2.20.1-0ubuntu2.24 | ≥ 2.20.9, < 2.20.9-0ubuntu7.16 | ≥ 2.20.11, < 2.20.11-0ubuntu27.6 | 2.20.11-0ubuntu8 | 2.20.11-0ubuntu9 | 2.20.11-0ubuntu10 | 2.20.11-0ubuntu11 | 2.20.11-0ubuntu12 | 2.20.11-0ubuntu13 | 2.20.11-0ubuntu14 | 2.20.11-0ubuntu15 | 2.20.11-0ubuntu16 | 2.20.11-0ubuntu17 | 2.20.11-0ubuntu18 | 2.20.11-0ubuntu19 | 2.20.11-0ubuntu20 | 2.20.11-0ubuntu21 | 2.20.11-0ubuntu22 | 2.20.11-0ubuntu23 | 2.20.11-0ubuntu24 | 2.20.11-0ubuntu25 | 2.20.11-0ubuntu26 | 2.20.11-0ubuntu27 | 2.20.11-0ubuntu27.2 | 2.20.11-0ubuntu27.3 | 2.20.11-0ubuntu27.4 | 2.20.11-0ubuntu27.5 | 2.20.7-0ubuntu3 | 2.20.7-0ubuntu3.1 | 2.20.7-0ubuntu4 | 2.20.8-0ubuntu1 | 2.20.8-0ubuntu2 | 2.20.8-0ubuntu3 | 2.20.8-0ubuntu4 | 2.20.8-0ubuntu5 | 2.20.8-0ubuntu6 | 2.20.8-0ubuntu7 | 2.20.8-0ubuntu8 | 2.20.8-0ubuntu9 | 2.20.8-0ubuntu10 | 2.20.9-0ubuntu1 | 2.20.9-0ubuntu2 | 2.20.9-0ubuntu3 | 2.20.9-0ubuntu4 | 2.20.9-0ubuntu5 | 2.20.9-0ubuntu6 | 2.20.9-0ubuntu7 | 2.20.9-0ubuntu7.1 | 2.20.9-0ubuntu7.2 | 2.20.9-0ubuntu7.3 | 2.20.9-0ubuntu7.4 | 2.20.9-0ubuntu7.5 | 2.20.9-0ubuntu7.6 | 2.20.9-0ubuntu7.7 | 2.20.9-0ubuntu7.8 | 2.20.9-0ubuntu7.9 | 2.20.9-0ubuntu7.10 | 2.20.9-0ubuntu7.11 | 2.20.9-0ubuntu7.12 | 2.20.9-0ubuntu7.13 | 2.20.9-0ubuntu7.14 | 2.20.9-0ubuntu7.15 | 2.19.1-0ubuntu3 | 2.19.2-0ubuntu1 | 2.19.2-0ubuntu2 | 2.19.2-0ubuntu3 | 2.19.2-0ubuntu4 | 2.19.2-0ubuntu5 | 2.19.2-0ubuntu6 | 2.19.2-0ubuntu7 | 2.19.2-0ubuntu8 | 2.19.2-0ubuntu9 | 2.19.3-0ubuntu1 | 2.19.3-0ubuntu2 | 2.19.3-0ubuntu3 | 2.19.4-0ubuntu1 | 2.19.4-0ubuntu2 | 2.20-0ubuntu1 | 2.20-0ubuntu2 | 2.20-0ubuntu3 | 2.20.1-0ubuntu1 | 2.20.1-0ubuntu2 | 2.20.1-0ubuntu2.1 | 2.20.1-0ubuntu2.2 | 2.20.1-0ubuntu2.4 | 2.20.1-0ubuntu2.5 | 2.20.1-0ubuntu2.6 | 2.20.1-0ubuntu2.7 | 2.20.1-0ubuntu2.8 | 2.20.1-0ubuntu2.9 | 2.20.1-0ubuntu2.10 | 2.20.1-0ubuntu2.12 | 2.20.1-0ubuntu2.13 | 2.20.1-0ubuntu2.14 | 2.20.1-0ubuntu2.15 | 2.20.1-0ubuntu2.16 | 2.20.1-0ubuntu2.17 | 2.20.1-0ubuntu2.18 | 2.20.1-0ubuntu2.19 | 2.20.1-0ubuntu2.20 | 2.20.1-0ubuntu2.21 | 2.20.1-0ubuntu2.22 | 2.20.1-0ubuntu2.23
- ubuntu_linuxEOL14.04
Ubuntu1 product
- apport< 2.14.1-0ubuntu3.29+esm5 | < 2.20.1-0ubuntu2.24 | < 2.20.9-0ubuntu7.16 | < 2.20.11-0ubuntu27.6
2 vendors · 3 products