CVE-2000-0678

Name: CVE-2000-0678
Creator: NVD / NIST
Published: 2000-10-20T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.50%

Last modified Jun 16, 2026

CVE-2000-0678 is a vulnerability of currently unknown severity. PGP 5.5.x through 6.5.3 does not properly check if an Additional Decryption Key (ADK) is stored in the signed portion of a public certificate, which allows an attacker who can modify a victim's public certificate to decrypt any data that has been encrypted with the modified certificate.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

PGP 5.5.x through 6.5.3 does not properly check if an Additional Decryption Key (ADK) is stored in the signed portion of a public certificate, which allows an attacker who can modify a victim's public certificate to decrypt any data that has been encrypted with the modified certificate.

Metrics

EPSS Probability

1.50%

70.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Pgp	Pgp	5.5.3i
Pgp	Pgp	6.5.1i
Pgp	Pgp	6.5.3i

References

http://www.cert.org/advisories/CA-2000-18.htmlThird Party Advisory, US Government Resource
http://www.osvdb.org/4354
http://www.securityfocus.com/bid/1606Patch, Vendor Advisory
http://www.cert.org/advisories/CA-2000-18.htmlThird Party Advisory, US Government Resource
http://www.osvdb.org/4354
http://www.securityfocus.com/bid/1606Patch, Vendor Advisory

Timeline

Published: Oct 20, 2000
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2000-0678?

How severe is CVE-2000-0678?

Severity scoring for CVE-2000-0678 is pending analysis. The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2000-0678?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2000-0678?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST