PatchTheCVECVE-2022-0918: A vulnerability was discovered in the 389 Directory Server that allows an unauthenticated attacker with networ
CVE-2022-0918 is a high-severity flaw (CVSS 7.5) affecting 389-ds-base, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability was discovered in the 389 Directory Server that allows an unauthenticated attacker with network access to the LDAP port to cause a denial of service. The denial of service is triggered by a single message sent over a TCP connection, no bind or other authentication is required. The message triggers a segmentation fault that results in slapd crashing.
Why this priority
- High severity
- EPSS top 7%: very likely to be exploited
- Remotely exploitable, no login, no user action
- On your watchlist
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 5.9% (top 7%) |
| CISA exploited list | No |
| Published | 2022-03-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-0918?
389-ds-base: downgrade or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-0918 being exploited?
CVE-2022-0918 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-0918 affect?
CVE-2022-0918 affects 389-ds-base, enterprise linux. Severity is high (CVSS 7.5). A vulnerability was discovered in the 389 Directory Server that allows an unauthenticated attacker with network access to the LDAP port to cause a denial of service. The denial of service is triggered by a single message sent over a TCP con
How urgent is CVE-2022-0918?
Priority 60/100. High severity; EPSS top 7%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist
Related CVEs
- CVE-2022-2850 MEDIUM 6.5 DOWNGRADE MITIGATE A flaw was found In 389-ds-base
- CVE-2021-4091 HIGH 7.5 UPGRADE MITIGATE A double-free was found in the way 389-ds-base handles virtual attributes context in persistent searches
- CVE-2021-3652 MEDIUM 6.5 UPGRADE A flaw was found in 389-ds-base