CVE-2022-48566

mediumpriority · track · 24EPSS 0.013 · 70 %ileDEEUFRRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.30% (70th) EPSS

CVSS 5.9 · medium

Is it mine?

58 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.4–8.1

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.18.1highAV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USprimaryCWE-362US

affected products (58)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell NetWorkerall versionscert_bundDEcpe:/a:dell:networker:-
Dell NetWorker <19.11all versionscert_bundDE
Dell NetWorker vProxy<19.10all versionscert_bundDE
Dell NetWorker vProxy<19.9.0.4all versionscert_bundDE
Dell NetWorker virtualall versionscert_bundDEcpe:/a:dell:networker:virtual
EMC Avamarall versionscert_bundDEcpe:/a:emc:avamar:-
F5 BIG-IP 15.1.0-15.1.10all versionscert_bundDEcpe:/a:f5:big-ip:15.1.0_-_15.1.10
F5 BIG-IP 16.1.0-16.1.4all versionscert_bundDEcpe:/a:f5:big-ip:16.1.0_-_16.1.4
F5 BIG-IP 17.1.0-17.1.1all versionscert_bundDEcpe:/a:f5:big-ip:17.1.0_-_17.1.1
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
IBM App Connect Enterpriseall versionscert_bundDEcpe:/a:ibm:app_connect_enterprise:-
IBM QRadar SIEM 7.5all versionscert_bundDEcpe:/a:ibm:qradar_siem:7.5
IBM QRadar SIEM <7.5.0 UP8all versionscert_bundDE
NetApp ActiveIQ Unified Managerall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:-
Open Source Python <=3.9.1all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-

showing 20 of 58

advisories (7)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2119Python: Mehrere SchwachstellenDeutsch2023-08-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Python ausnutzen, um einen Denial-of-Service-Zustand herbeizuführen, Sicherheitsmaßnahmen zu umgehen, Dateien zu manipulieren oder vertrauliche Informationen offenzulegen.
WID-SEC-W-2025-0225Dell PowerProtect Data Domain: Mehrere SchwachstellenDeutsch2025-01-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell PowerProtect Data Domain ausnutzen, um erhöhte Rechte zu erlangen, einen Denial-of-Service-Zustand herbeizuführen und einen nicht näher spezifizierten Angriff durchzuführen.
BIT-libpython-2022-485662025-08-11vendor · osvUS
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.
BIT-python-2022-485662024-03-06vendor · osvUS
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.
BIT-python-min-2022-485662025-01-16vendor · osvUS
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.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
PSF-2023-6hmac.compare_digest() accumulator not constant-time2023-08-24vendor · osvUS
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.

also known as (9)

Other names and identifiers for this entity.

CNNVD-202308-1774 cnnvd
EUVD-2022-51262 enisa_euvd
BDU:2023-06654 fstec_bdu
GHSA-cgfh-jp5w-8cmx enisa_euvd
BIT-libpython-2022-48566osv
BIT-python-2022-48566osv
BIT-python-min-2022-48566osv
GHSA-cgfh-jp5w-8cmx osv
PSF-2023-6osv

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund certfr NVD CVE.org MITRE

published 2023-08-22modified 2026-06-17

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+4133 more

references (16)

External citations — patches, advisories, analysis.

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