CVE-2021-37519

mediumpriority · track · 22EPSS 0.004 · 29 %ileDEEUNLRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (29th) EPSS

CVSS 5.5 · medium

Is it mine?

17 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.

cvss

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

5.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 3.6

v3.15.5mediumAV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondaryexploitability 1.8 · impact 3.6

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Hsecondary · NCSC-NL NL

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-787USprimaryCWE-122USCWE-787US

affected products (17)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Xerox FreeFlow Print Server v9 for Solarisall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9_for_solaris
Open Source memcached< 1.6.10cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
Danga Interactive memcached≤ 1.6.9fstec_bduRU
Oracle Corp. Oracle Communications User Data Repository≤ 12.6.1.0.0fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 9fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 8fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 4.7fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.7fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 11fstec_bduRU
mysql_serverall versionsncsc_nlNLcpe:2.3:a:oracle:mysql_server:8.0.40_and_prior:*:*:*:*:*:*:*
mysql_serverall versionsncsc_nlNLcpe:2.3:a:oracle:mysql_server:8.4.2_and_prior:*:*:*:*:*:*:*
memcached memcached= 1.6.9nvdUScpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
Bitnami memcached< 1.6.10osvUSpkg:bitnami/memcached

advisories (5)

Vendor and ecosystem advisories describing this.

NCSC-2025-0024Kwetsbaarheden verholpen in Oracle MySQLNL2025-01-22csaf · ncsc_nlNL
Oracle heeft kwetsbaarheden verholpen in Oracle MySQL.
WID-SEC-W-2023-0285memcached: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-02-05csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in memcached ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2023-1021Oracle Communications: Mehrere SchwachstellenDeutsch2023-04-18csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2023-1424Xerox FreeFlow Print Server für Solaris: Mehrere SchwachstellenDeutsch2023-06-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität des Systems zu gefährden.
BIT-memcached-2021-375192024-11-08vendor · osvUS
Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl nvd osv NVD CVE.org MITRE

published 2023-02-03modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

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