CVE-2005-1148: calendar.pl in CalendarScript 3.21 allows remote attackers to obtain sensitive information via invalid (1) yea

This month

MEDIUM 5.0DOWNGRADE

CVE-2005-1148 is a medium-severity flaw (CVSS 5.0) affecting calendarscript. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

calendar.pl in CalendarScript 3.21 allows remote attackers to obtain sensitive information via invalid (1) year or (2) month parameters, which leaks the full pathname and debug information.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: calendarscript

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

calendarscript calendarscript DOWNGRADE

Affected: 3.20 · 3.21

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.20

1. Check installed version

apt-cache policy calendarscript || rpm -q calendarscript || calendarscript --version

2. No fixed release: DOWNGRADE to a release before 3.20 (Debian / Ubuntu)

apt-cache madison calendarscript sudo apt install calendarscript=<VERSION_BEFORE_3.20> sudo apt-mark hold calendarscript

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list calendarscript sudo dnf downgrade calendarscript-<VERSION_BEFORE_3.20> sudo dnf versionlock add calendarscript

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2005-1148?

calendarscript: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-1148 being exploited?

CVE-2005-1148 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-2005-1148 affect?

CVE-2005-1148 affects calendarscript. Severity is medium (CVSS 5.0). calendar.pl in CalendarScript 3.21 allows remote attackers to obtain sensitive information via invalid (1) year or (2) month parameters, which leaks the full pathname and debug information.

How urgent is CVE-2005-1148?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2005-1146 MEDIUM 4.3 DOWNGRADE NOTE: this issue has been disputed by the vendor
CVE-2005-1145 MEDIUM 4.3 DOWNGRADE NOTE: this issue has been disputed by the vendor

References

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