Cyrus 2.0.15, 2.0.16, and 1.6.24 on BSDi 4.2, with IMAP enabled, allows remote attackers…
Priority LOW 26Published · 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
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Cyrus 2.0.15, 2.0.16, and 1.6.24 on BSDi 4.2, with IMAP enabled, allows remote attackers to cause a denial of service (hang) using PHP IMAP clients.
Why it matters now
EPSS 0.01614 76th percentileScored 2026-11-07
Fix No fix listed 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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:1.6.24:*:*:*:*:*:*:* | 1.6.24 | Vulnerable | Carnegie Mellon University |
| cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.0.15:*:*:*:*:*:*:* | 2.0.15 | Vulnerable | Carnegie Mellon University |
| cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.0.16:*:*:*:*:*:*:* | 2.0.16 | Vulnerable | Carnegie Mellon University |
| cpe:2.3:o:bsdi:bsd_os:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | Bsdi |
- cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:1.6.24:*:*:*:*:*:*:* Versions 1.6.24 Vulnerable ·Carnegie Mellon University
- cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.0.15:*:*:*:*:*:*:* Versions 2.0.15 Vulnerable ·Carnegie Mellon University
- cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.0.16:*:*:*:*:*:*:* Versions 2.0.16 Vulnerable ·Carnegie Mellon University
- cpe:2.3:o:bsdi:bsd_os:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·Bsdi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2001-1154
- 2026-10-03 Alias added: GHSA-3525-ccch-jcxf
References
—
Sources
- CVE-2001-1154 · CVE Program
- CVE-2001-1154 · NVD
- FIRST EPSS
- GHSA-3525-ccch-jcxf · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences