CVE-2004-1552: SQL injection vulnerability in aspWebCalendar allows remote attackers to execute arbitrary SQL statements via

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HIGH 7.5DOWNGRADE

CVE-2004-1552 is a high-severity flaw (CVSS 7.5) affecting aspwebcalendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in aspWebCalendar allows remote attackers to execute arbitrary SQL statements via (1) the username field on the login page or (2) the eventid parameter to calendar.asp.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: full revolution

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:07 UTCUpdated Record last modified

full revolution aspwebcalendar DOWNGRADE

Affected: 4.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.5 (Debian / Ubuntu)

apt-cache madison aspwebcalendar sudo apt install aspwebcalendar=<VERSION_BEFORE_4.5> sudo apt-mark hold aspwebcalendar

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

dnf --showduplicates list aspwebcalendar sudo dnf downgrade aspwebcalendar-<VERSION_BEFORE_4.5> sudo dnf versionlock add aspwebcalendar

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: AspWebCalendar 4.5 - 'eventid' SQL Injection
Exploit-DB: Web Calendar System 3.12/3.30 - Multiple Vulnerabilities

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-2004-1552?

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

Is CVE-2004-1552 being exploited?

CVE-2004-1552 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-2004-1552 affect?

CVE-2004-1552 affects aspwebcalendar. Severity is high (CVSS 7.5). SQL injection vulnerability in aspWebCalendar allows remote attackers to execute arbitrary SQL statements via (1) the username field on the login page or (2) the eventid parameter to calendar.asp.

How urgent is CVE-2004-1552?

Priority 54/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2009-1223 MEDIUM 5.0 MITIGATE aspWebCalendar Free Edition stores sensitive information under the web root with insufficient access control,

References

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