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CVE-2022-31573

28
FAUCET Score

CVE-2022-31573 is a critical absolute path traversal vulnerability (CWE-22) affecting the chainer/chainerrl-visualizer repository through version 0.1.1, stemming from the unsafe use of Flask's send_file function. This flaw allows an unauthenticated attacker to access sensitive information on the server with high confidentiality impact and low availability impact, as indicated by its CVSS score of 9.3. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, the high FAUCET Risk Score of 74/100 suggests a significant potential risk. There is no evidence of active exploitation, and it is not listed on the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.1.1CPE matchmatch criteria
cpe:2.3:a:chainer:chainerrl-visualizer:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.3CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 54th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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

Vendor Advisories (1)

pipGHSA-687h-86vc-5x59critical

ChainerRL Visualizer 0.1.1 vulnerable to Path Traversal via unsafe use of send_file function

Jul 12, 2022

References

github.com / github/securitylab/issues/669
ExploitIssue TrackingThird Party Advisory