Is CVE-2022-31015 in the CISA KEV catalog?

No. CVE-2022-31015 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-31015?

CVE-2022-31015 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2022-31015?

CVE-2022-31015 has an EPSS score of 1.34% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-31015?

Upgrade waitress on debian 12 to 2.1.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2022-31015

MEDIUM

6.5

CVSS v3

NVD

Description

Waitress is a Web Server Gateway Interface server for Python 2 and 3. Waitress versions 2.1.0 and 2.1.1 may terminate early due to a thread closing a socket while the main thread is about to call select(). This will lead to the main thread raising an exception that is not handled and then causing the entire application to be killed. This issue has been fixed in Waitress 2.1.2 by no longer allowing the WSGI thread to close the socket. Instead, that is always delegated to the main thread. There is no work-around for this issue. However, users using waitress behind a reverse proxy server are less likely to have issues if the reverse proxy always reads the full response.

CWE-248 CWE-362Race Condition

How to fix

Remediation Available

waitressDebian

Fixed in:2.1.2-1CVE-2022-31015

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.34%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch3

Third-Party Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.