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CVE-2021-25684

25
FAUCET Score

CVE-2021-25684 is a high-severity vulnerability affecting Canonical Apport, where improper handling of report files could lead to hanging reads on a FIFO. With a CVSS score of 7.8, this local vulnerability allows an attacker with low privileges to achieve high confidentiality, integrity, and availability impacts. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.20.1, < 2.20.1-0ubuntu2.30CPE match
cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
>= 2.20.11-0ubuntu27, < 2.20.11-0ubuntu27.16CPE match
cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
>= 2.20.11-0ubuntu50, < 2.20.11-0ubuntu50.5CPE match
cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
>= 2.20.9, < 2.20.9-0ubuntu7.23CPE match
cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*
>= 2.20.1-0ubuntu1, < 2.20.1-0ubuntu2.30CPE matchmatch criteria
cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
43.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 83rd percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

seclists.org / fulldisclosure/2025/Jun/9
bugs.launchpad.net / ubuntu/+source/apport/+bug/1912326
ExploitThird Party Advisory