6.5

CVE-2021-3514: redhat 389_directory_server NULL Pointer Dereference

CVSS: 6.5v3.1MediumModified
AliasesSUSE-SU-2021:1878-1RHSA-2021:2595RHSA-2021:2796
Published 28-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-3514 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in redhat 389_directory_server. EPSS estimates a 1.20% chance of exploitation in the next 30 days, higher than 67.6% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.20%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4 · Related 1
DLA-3399-1RHSA-2021:3955RHSA-2022:0952USN-5231-1

Timeline

  1. 28-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.20%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.20% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat12 products
  • 389_directory_serverna
  • 389-ds-base< 0:1.4.3.16-16.module+el8.4.0+11446+fc96bc48 | < 0:1.4.2.4-14.module+el8.2.0+11017+0eb5711a
  • 389-ds-base-debuginfo< 0:1.4.3.16-16.module+el8.4.0+11446+fc96bc48 | < 0:1.4.2.4-14.module+el8.2.0+11017+0eb5711a
  • 389-ds-base-debugsource< 0:1.4.3.16-16.module+el8.4.0+11446+fc96bc48 | < 0:1.4.2.4-14.module+el8.2.0+11017+0eb5711a
  • 389-ds-base-devel< 0:1.4.3.16-16.module+el8.4.0+11446+fc96bc48 | < 0:1.4.2.4-14.module+el8.2.0+11017+0eb5711a
Debian1 product
  • 389-ds-base< 1.4.4.11-2
Opensuse1 product
  • 389-ds&distro=openSUSE Leap 15.2< 1.4.3.23~git0.f53d0132b-lp152.2.15.1
Suse1 product
  • 389-ds&distro=SUSE Linux Enterprise Module for Server Applications 15 SP2< 1.4.3.23~git0.f53d0132b-3.15.1
Ubuntu1 product
  • 389-ds-base< 1.3.4.9-1ubuntu0.1~esm1 | < 1.3.7.10-1ubuntu1+esm1 | < 1.4.3.6-2ubuntu0.1~esm1

5 vendors · 16 products

References

24 links
Show all 24 references