CVE-2001-1154

mediumpriority · track · 21EPSS 0.016 · 76 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.61% (76th) EPSS

CVSS 5 · medium

Is it mine?

5 products

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
bsdi bsd os= 4.2nvdUScpe:2.3:o:bsdi:bsd_os:*:*:*:*:*:*:*:*
carnegie mellon university cyrus imap server= 1.6.24nvdUScpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:*:*:*:*:*:*:*:*
carnegie mellon university cyrus imap server= 2.0.15nvdUScpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:*:*:*:*:*:*:*:*
carnegie mellon university cyrus imap server= 2.0.16nvdUScpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2001-08-30modified 2026-06-16

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.