7.5

CVE-2020-10704: debian debian_linux Uncontrolled Recursion

Modified
AliasesALPINE-CVE-2020-10704SUSE-SU-2020:1132-1SUSE-SU-2020:1133-1
Published 06-05-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-10704 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in debian debian_linux. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.3% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 4% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
3.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 6
DLA-2463-1MGASA-2020-0205OPENSUSE-SU-2020:1023-1OPENSUSE-SU-2020:1313-1OPENSUSE-SU-2024:11365-1SUSE-SU-2020:1948-1

Timeline

  1. 06-05-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. 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

EPSS trend

Probability

3.54%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.54% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse9 products
  • samba&distro=SUSE Enterprise Storage 6< 4.9.5+git.317.6d82fb3918b-3.35.1
  • samba&distro=SUSE Linux Enterprise High Availability Extension 15< 4.7.11+git.231.7f324c4d89e-4.40.1
  • samba&distro=SUSE Linux Enterprise High Availability Extension 15 SP1< 4.9.5+git.317.6d82fb3918b-3.35.1
  • samba&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 4.7.11+git.231.7f324c4d89e-4.40.1
  • samba&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 4.7.11+git.231.7f324c4d89e-4.40.1
Debian2 products
Opensuse2 products
  • leapEOL15.2
  • samba&distro=openSUSE Leap 15.1< 4.9.5+git.317.6d82fb3918b-lp151.2.24.1
Alpine1 product
  • samba≥ 4.0.0, < 4.10.15-r0 | ≥ 4.0.0, < 4.11.8-r0 | ≥ 4.0.0, < 4.12.2-r0
Fedoraproject1 product
Red hat1 product
  • sambaAll versions before 4.10.15 | All versions before 4.11.8 | All versions before 4.12.2
Samba1 product
  • samba≥ 4.0.0, < 4.10.15 | ≥ 4.11.0, < 4.11.8 | ≥ 4.12.0, < 4.12.2
Ubuntu1 product
  • samba< 2:4.3.11+dfsg-0ubuntu0.16.04.26 | < 2:4.7.6+dfsg~ubuntu-0ubuntu2.16 | < 2:4.11.6+dfsg-0ubuntu1.1 | < 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm6

8 vendors · 18 products

References

21 links
Show all 21 references