How severe is CVE-2000-0678?

CVE-2000-0678 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-0678 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0678?

CVE-2000-0678 primarily affects Pgp. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0678?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2000-0678 published?

CVE-2000-0678 was published on 2000-10-20 and last updated on 2026-06-16.

CVE-2000-0678

CVE-2000-0678 is a medium-severity vulnerability in Pgp with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Pgp
Published: 2000-10-20
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2000-0678?: 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.
How severe is CVE-2000-0678?: CVE-2000-0678 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-0678 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0678?: CVE-2000-0678 primarily affects Pgp. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0678?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0678 published?: CVE-2000-0678 was published on 2000-10-20 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:pgp:pgp:5.5.3i:*:*:*:*:*:*:*
cpe:2.3:a:pgp:pgp:6.5.1i:*:*:*:*:*:*:*
cpe:2.3:a:pgp:pgp:6.5.3i:*:*:*:*:*:*:*

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