CVE-2021-25683
CVE-2021-25683 is a high-severity vulnerability in Canonical Apport with a CVSS 3.x base score of 8.8. 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-20.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Canonical Apport
- Published:
- Last modified:
Description
It was discovered that the get_starttime() function in data/apport did not properly parse the /proc/pid/stat file from the kernel.
Frequently asked questions
- What is CVE-2021-25683?
- It was discovered that the get_starttime() function in data/apport did not properly parse the /proc/pid/stat file from the kernel.
- How severe is CVE-2021-25683?
- CVE-2021-25683 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-25683 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25683?
- CVE-2021-25683 affects Canonical Apport. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-25683?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-25683 published?
- CVE-2021-25683 was published on 2021-06-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
More vulnerabilities in Canonical Apport
- CVE-2021-25684 — High (CVSS 8.8): It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.
- CVE-2021-25682 — High (CVSS 8.8): It was discovered that the get_pid_info() function in data/apport did not properly parse the /proc/pid/status file from…
- CVE-2022-1242 — High (CVSS 7.8): Apport can be tricked into connecting to arbitrary sockets as the root user
- CVE-2021-3899 — High (CVSS 7.8): There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an…
- CVE-2023-1326 — High (CVSS 7.7): A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a…
- CVE-2022-28653 — High (CVSS 7.5): Users can consume unlimited disk space in /var/crash
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