CVE-2020-25709: apple mac_os_x Reachable Assertion
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2020-25709UBUNTU-CVE-2020-25709DEBIAN-CVE-2020-25709
Published 18-05-2021Last modified 14-10-2026
Vulnerability summary
CVE-2020-25709 is a high (CVSS 7.5) Reachable Assertion vulnerability in apple mac_os_x. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
3.44%
0%100%
Low · +0.58 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 12 · Related 8Timeline
- 18-05-2021PublishedVulnerability first disclosed.
- 14-10-2026Last modifiedVulnerability information updated.
Description
A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.44%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
+0.58 pp
From 2.86% on 18-09-2026
18-09-202618-10-2026
EPSS score3.44%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apple2 products
- mac_os_x≥ 10.14.0, < 10.14.6 | ≥ 10.15, < 10.15.7 | 10.14.6 | 10.14.6:security_update_2019-004 | 10.14.6:security_update_2019-005 | 10.14.6:security_update_2019-006 | 10.14.6:security_update_2019-007 | 10.14.6:security_update_2020-001 | 10.14.6:security_update_2020-002 | 10.14.6:security_update_2020-003 | 10.14.6:security_update_2020-004 | 10.14.6:security_update_2020-005 | 10.14.6:security_update_2020-006 | 10.14.6:security_update_2020-007 | 10.15.7 | 10.15.7:security_update_2020-005 | 10.15.7:security_update_2020-007 | 10.15.7:supplemental_update
- macos≥ 11.0, < 11.0.1
Debian2 products
- openldap< 2.4.56+dfsg-1
- debian_linuxEOL9.0 | 10.0
Alpine1 product
- openldap< 2.4.48-r2 | < 2.4.48-r3 | < 2.4.50-r1 | < 2.4.56-r0
Openldap1 product
- openldap< 2.4.56
Redhat1 product
Ubuntu1 product
- openldap< 2.4.31-1+nmu2ubuntu8.5+esm4 | < 2.4.42+dfsg-2ubuntu3.11 | < 2.4.45+dfsg-1ubuntu1.8 | < 2.4.49+dfsg-2ubuntu1.5
6 vendors · 8 products
References
15 links
- lists.debian.org/debian-lts-announce/2020/12/msg00008.htmlMailing ListX Refsource MLISTThird Party Advisory