Is CVE-2022-48566 in the CISA KEV catalog?

No. CVE-2022-48566 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-48566?

CVE-2022-48566 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2022-48566?

CVE-2022-48566 has an EPSS score of 1.15% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-48566?

Upgrade pypy3 on debian 11 to 7.3.5+dfsg-2 or later. Fixes are available for 30 affected products.

CVE & CISA-KEV Catalog

CVE-2022-48566

MEDIUM

5.9

CVSS v3

NVD

Description

An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.

CWE-362Race Condition

How to fix

Remediation Available

pypy3Debian

Fixed in:7.3.5+dfsg-2CVE-2022-48566

libpython2.7Ubuntu

Fixed in:2.7.12-1ubuntu0~16.04.18+esm7USN-6400-1

Fixed in:2.7.17-1~18.04ubuntu1.13+esm2USN-6400-1

libpython2.7-minimalUbuntu

Fixed in:2.7.12-1ubuntu0~16.04.18+esm7USN-6400-1

Fixed in:2.7.17-1~18.04ubuntu1.13+esm2USN-6400-1

libpython2.7-stdlibUbuntu

Fixed in:2.7.12-1ubuntu0~16.04.18+esm7USN-6400-1

Fixed in:2.7.17-1~18.04ubuntu1.13+esm2USN-6400-1

libpython3.5Ubuntu

Fixed in:3.5.2-2ubuntu0~16.04.13+esm11USN-6400-1

libpython3.5-minimalUbuntu

Fixed in:3.5.2-2ubuntu0~16.04.13+esm11USN-6400-1

libpython3.5-stdlibUbuntu

Fixed in:3.5.2-2ubuntu0~16.04.13+esm11USN-6400-1

python2.7Ubuntu

Fixed in:2.7.12-1ubuntu0~16.04.18+esm7USN-6400-1

Fixed in:2.7.17-1~18.04ubuntu1.13+esm2USN-6400-1

Fixed in:2.7.18-1~20.04.7USN-7180-1

Fixed in:2.7.18-13ubuntu1.5USN-7180-1

python3.10Ubuntu

Fixed in:3.10.12-1~22.04.4USN-6891-1

python3.10-minimalUbuntu

Fixed in:3.10.12-1~22.04.4USN-6891-1

python3.11Ubuntu

Fixed in:3.11.0~rc1-1~22.04.1~esm1USN-6891-1

Fixed in:3.11.6-3ubuntu0.1USN-6891-1

python3.11-minimalUbuntu

Fixed in:3.11.0~rc1-1~22.04.1~esm1USN-6891-1

Fixed in:3.11.6-3ubuntu0.1USN-6891-1

python3.12Ubuntu

Fixed in:3.12.0-1ubuntu0.1USN-6891-1

python3.12-minimalUbuntu

Fixed in:3.12.0-1ubuntu0.1USN-6891-1

python3.5Ubuntu

Fixed in:3.5.2-2ubuntu0~16.04.4~14.04.1+esm1USN-6891-1

Fixed in:3.5.2-2ubuntu0~16.04.13+esm11USN-6400-1

Fixed in:3.5.2-2ubuntu0~16.04.13+esm13USN-6891-1

python3.5-minimalUbuntu

Fixed in:3.5.2-2ubuntu0~16.04.4~14.04.1+esm1USN-6891-1

Fixed in:3.5.2-2ubuntu0~16.04.13+esm13USN-6891-1

python3.6Ubuntu

Fixed in:3.6.9-1~18.04ubuntu1.13+esm2USN-6891-1

python3.6-minimalUbuntu

Fixed in:3.6.9-1~18.04ubuntu1.13+esm2USN-6891-1

python3.7Ubuntu

Fixed in:3.7.5-2ubuntu1~18.04.2+esm3USN-6891-1

python3.7-minimalUbuntu

Fixed in:3.7.5-2ubuntu1~18.04.2+esm3USN-6891-1

python3.8Ubuntu

Fixed in:3.8.0-3ubuntu1~18.04.2+esm2USN-6891-1

Fixed in:3.8.10-0ubuntu1~20.04.10USN-6891-1

python3.8-minimalUbuntu

Fixed in:3.8.0-3ubuntu1~18.04.2+esm2USN-6891-1

Fixed in:3.8.10-0ubuntu1~20.04.10USN-6891-1

python3.9Ubuntu

Fixed in:3.9.5-3ubuntu0~20.04.1+esm2USN-6891-1

python3.9-minimalUbuntu

Fixed in:3.9.5-3ubuntu0~20.04.1+esm2USN-6891-1

Python 2Windows application

Affected:3.6.13Fixed in:3.6.13Python Software Foundation

Affected:3.8.0 3.8.7Fixed in:3.8.7Python Software Foundation

Affected:3.9.0 3.9.1Fixed in:3.9.1Python Software Foundation

Affected:3.7.0 3.7.10Fixed in:3.7.10Python Software Foundation

Python 3.10Windows application

Affected:3.6.13Fixed in:3.6.13Python Software Foundation

Affected:3.7.0 3.7.10Fixed in:3.7.10Python Software Foundation

Affected:3.9.0 3.9.1Fixed in:3.9.1Python Software Foundation

Affected:3.8.0 3.8.7Fixed in:3.8.7Python Software Foundation

Python 3.11Windows application

Affected:3.6.13Fixed in:3.6.13Python Software Foundation

Affected:3.9.0 3.9.1Fixed in:3.9.1Python Software Foundation

Affected:3.8.0 3.8.7Fixed in:3.8.7Python Software Foundation

Affected:3.7.0 3.7.10Fixed in:3.7.10Python Software Foundation

Python 3.12Windows application

Affected:3.8.0 3.8.7Fixed in:3.8.7Python Software Foundation

Affected:3.7.0 3.7.10Fixed in:3.7.10Python Software Foundation

Affected:3.6.13Fixed in:3.6.13Python Software Foundation

Affected:3.9.0 3.9.1Fixed in:3.9.1Python Software Foundation

Python 3.8Windows application

Affected:3.7.0 3.7.10Fixed in:3.7.10Python Software Foundation

Affected:3.6.13Fixed in:3.6.13Python Software Foundation

Affected:3.9.0 3.9.1Fixed in:3.9.1Python Software Foundation

Affected:3.8.0 3.8.7Fixed in:3.8.7Python Software Foundation

Python 3.9Windows application

Affected:3.6.13Fixed in:3.6.13Python Software Foundation

Affected:3.7.0 3.7.10Fixed in:3.7.10Python Software Foundation

Affected:3.9.0 3.9.1Fixed in:3.9.1Python Software Foundation

Affected:3.8.0 3.8.7Fixed in:3.8.7Python Software Foundation

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

1.15%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Patch1

bugs.python.org

Third-Party Advisory3

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-6387	High	8.1	100%	-	Fix
CVE-2023-36884	High	7.5	99%	KEV + Ransom	Fix
CVE-2018-15473	Medium	5.3	99%	-	Fix
CVE-2024-27983	High	8.2	87%	-	Fix
CVE-2014-0226	Medium	6.8	86%	-	Fix
CVE-2016-5195	High	7.0	84%	KEV	Fix

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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.