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Vulnerabilities

Vulnerability · CVE-2001-1420

AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application crash) via a long filename, possibly caused by a buffer overflow.

Published May 2, 2005 · catalog updated Nov 12, 2026 · instant messenger

Last checked Nov 12, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2001-1420. EPSS is 2.45%. Act only if a listed version of instant messenger is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.45%
Remediation
Advisory link
Affected products
cpe aol/instant messenger

AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application crash) via a long filename, possibly caused by a buffer overflow.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe aol/instant messenger4.7

How to fix CVE-2001-1420

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    Seen in 4.7

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2001-1420. EPSS is 2.45%. Act only if a listed version of instant messenger is installed.

Which versions are affected?

Compare what you have installed with aol/instant messenger 4.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.45%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 2, 2005 · NIST NVD

    Detected

    AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application crash) via a long filename, possibly caused by a buffer overflow.

  2. Nov 12, 2026 · NIST NVD

    Updated

    AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application crash) via a long filename, possibly caused by a buffer overflow.

Sources

  • CVE.orgVulnerability recordCVE-2001-1420

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2001-1420

    AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application crash) via a long filename, possibly caused by a buffer overflow.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 12, 2026
  • NIST NVDNov 12, 2026