Exim 3.22 and earlier, in some configurations, does not properly verify the local part of…
Priority MEDIUM 42Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Exim 3.22 and earlier, in some configurations, does not properly verify the local part of an address when redirecting the address to a pipe, which could allow remote attackers to execute arbitrary commands via shell metacharacters.
Why it matters now
EPSS 0.06354 93rd percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:university_of_cambridge:exim:*:*:*:*:*:*:*:* | up to 3.22 | Vulnerable | University of Cambridge |
| cpe:2.3:o:redhat:linux:*:*:*:*:*:*:*:* | all versions | Vulnerable | Red Hat |
- cpe:2.3:a:university_of_cambridge:exim:*:*:*:*:*:*:*:* Versions up to 3.22 Vulnerable ·University of Cambridge
- cpe:2.3:o:redhat:linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Red Hat
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Powertools 6.2 | Fixed | RHSA-2001:176 |
| Red Hat Powertools 7.0 | Fixed | RHSA-2001:176 |
| Red Hat Powertools 7.1 | Fixed | RHSA-2001:176 |
Timeline
- 2026-10-02 Threatist record created from CVE-2001-0889
- 2026-10-03 Alias added: GHSA-5432-vj89-rgm6
References
Patch 1
Sources
- CVE-2001-0889 · CVE Program
- CVE-2001-0889 · NVD
- FIRST EPSS
- GHSA-5432-vj89-rgm6 · GitHub Advisory Database · CC BY 4.0
- CVE-2001-0889 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences