CVE-2021-3670: fedoraproject fedora Uncontrolled Resource Consumption
CVSS: 6.5v3.1MediumAnalyzed
AliasesALPINE-CVE-2021-3670SUSE-SU-2022:1576-1SUSE-SU-2022:2307-1UBUNTU-CVE-2021-3670DEBIAN-CVE-2021-3670CGA-9qjq-ww24-3wx2CGA-mf56-qmgf-j8wgopenSUSE-SU-2024:11882-1
Published 23-08-2022Last modified 13-02-2025
Vulnerability summary
CVE-2021-3670 is a medium (CVSS 6.5) Uncontrolled Resource Consumption vulnerability in fedoraproject fedora. EPSS estimates a 2.31% chance of exploitation in the next 30 days, higher than 83.1% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
2.31%
0%100%
Low · +0.14 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 2Timeline
- 23-08-2022PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
MaxQueryDuration not honoured in Samba AD DC LDAP
CVSS metrics
6 scores · 6 sources · 1 versionMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 6 agree
- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.31%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
+0.14 pp
From 2.17% on 20-09-2026
20-09-202620-10-2026
EPSS score2.31%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse7 products
- ldb&distro=SUSE Enterprise Storage 7.1< 2.4.2-150300.3.15.1
- ldb&distro=SUSE Linux Enterprise Micro 5.1< 2.4.2-150300.3.15.1
- ldb&distro=SUSE Linux Enterprise Micro 5.2< 2.4.2-150300.3.15.1
- ldb&distro=SUSE Linux Enterprise Module for Basesystem 15 SP3< 2.4.2-150300.3.15.1
- ldb&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 2.4.2-150400.4.3.11
Opensuse4 products
- ldb&distro=openSUSE Leap 15.3< 2.4.2-150300.3.15.1
- ldb&distro=openSUSE Leap 15.4< 2.4.2-150400.4.3.11
- ldb&distro=openSUSE Tumbleweed< 2.4.2-1.1
- samba&distro=openSUSE Leap 15.4< 4.15.7+git.376.dd43aca9ab2-150400.3.5.3
Ubuntu2 products
- ldbAll versions (No fix recorded) | < 2:2.2.3-0ubuntu0.20.04.3
- sambaAll versions (No fix recorded) | < 2:4.13.17~dfsg-0ubuntu1.20.04.1
Alpine1 product
- samba≥ 4.1.0, < 4.15.9-r0
Chainguard1 product
- libauth-samba< 4.23.2-r0
Debian1 product
- samba< 2:4.16.0+dfsg-2
Fedoraproject1 product
- fedoraEOL35
Redhat1 product
- storage3.0
Samba1 product
- samba≥ 4.1.0, < 4.16.0
Wolfi1 product
- libauth-samba< 4.23.2-r0
10 vendors · 20 products
References
31 links- bugzilla.redhat.com/show_bug.cgi?id=2077533X Refsource MISCFIXIssue TrackingPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/1d5b155619bc532c46932965b215bd73a920e56fX Refsource MISCFIXPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/dcfcafdbf756e12d9077ad7920eea25478c29f81X Refsource MISCFIXPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/86fe9d48883f87c928bf31ccbd275db420386803X Refsource MISCFIXPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/e1ab0c43629686d1d2c0b0b2bcdc90057a792049X Refsource MISCFIXPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/2b3af3b560c9617a233c131376c870fce146c002X Refsource MISCFIXPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/5f0590362c5c0c5ee20503a67467f9be2d50e73bX Refsource MISCFIXPatchThird Party Advisory
- gitlab.com/samba-team/samba/-/commit/3507e96b3dcf0c0b8eff7b2c08ffccaf0812a393X Refsource MISCFIXPatchThird Party Advisory