CVE-2020-10700: fedoraproject fedora Use After Free
Vulnerability summary
CVE-2020-10700 is a medium (CVSS 5.3) Use After Free vulnerability in fedoraproject fedora. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.9% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 7Timeline
- 04-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A use-after-free flaw was found in the way samba AD DC LDAP servers, handled 'Paged Results' control is combined with the 'ASQ' control. A malicious user in a samba AD could use this flaw to cause denial of service. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.02%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.02% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Alpine1 product
- samba≥ 4.10.0, < 4.10.15-r0 | ≥ 4.10.0, < 4.11.8-r0 | ≥ 4.10.0, < 4.12.2-r0
Debian1 product
- samba< 2:4.12.3+dfsg-2
Fedoraproject1 product
- fedoraEOL30 | 31 | 32
Opensuse1 product
- leapEOL15.2
Red hat1 product
- sambaAll versions before 4.10.15 | All versions before 4.11.8 | All versions before 4.12.2
Samba1 product
- samba≥ 4.10.0, < 4.10.15 | ≥ 4.11.0, < 4.11.8 | ≥ 4.12.0, < 4.12.2
Ubuntu1 product
- samba< 2:4.11.6+dfsg-0ubuntu1.1
7 vendors · 7 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10700X Refsource CONFIRMIssue TrackingThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
