CVE-2001-1053: AdLogin.pm in AdCycle 1.15 and earlier allows remote attackers to bypass authentication and gain privileges by

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HIGH 10.0DOWNGRADE

CVE-2001-1053 is a high-severity flaw (CVSS 10.0) affecting adcycle. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AdLogin.pm in AdCycle 1.15 and earlier allows remote attackers to bypass authentication and gain privileges by injecting SQL code in the $password argument.

Why this priority

Critical severity
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Published	2001-07-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: adcycle

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

Am I affected?

Timeline

2001-07-13 04:00 UTCPublished CVE record published
2026-06-16 21:55 UTCUpdated Record last modified

adcycle adcycle DOWNGRADE

Affected: 0.77 · 0.77b · 0.78b · 1.0 · 1.12 · 1.13 · 1.14 · 1.15

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.77

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.77 (Debian / Ubuntu)

apt-cache madison adcycle sudo apt install adcycle=<VERSION_BEFORE_0.77> sudo apt-mark hold adcycle

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

dnf --showduplicates list adcycle sudo dnf downgrade adcycle-<VERSION_BEFORE_0.77> sudo dnf versionlock add adcycle

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-2001-1053?

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

Is CVE-2001-1053 being exploited?

CVE-2001-1053 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-2001-1053 affect?

CVE-2001-1053 affects adcycle. Severity is high (CVSS 10.0). AdLogin.pm in AdCycle 1.15 and earlier allows remote attackers to bypass authentication and gain privileges by injecting SQL code in the $password argument.

How urgent is CVE-2001-1053?

Priority 62/100. Critical severity; Public exploit reference

Related CVEs

CVE-2001-1226 MEDIUM 5.0 DOWNGRADE AdCycle 1.17 and earlier allow remote attackers to modify SQL queries, which are not properly sanitized before
CVE-2001-0425 HIGH 7.5 DOWNGRADE AdLibrary.pm in AdCycle 0.78b allows remote attackers to gain privileges to AdCycle via a malformed Agent: hea
CVE-2000-1161 HIGH 7.5 DOWNGRADE The installation of AdCycle banner management system leaves the build.cgi program in a web-accessible director

References

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