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CVE-2000-0678

15
FAUCET Score

CVE-2000-0678 describes a vulnerability in PGP versions 5.5.x through 6.5.3 where the software fails to properly verify the storage location of an Additional Decryption Key (ADK) within a public certificate. This flaw allows an attacker to decrypt data encrypted with a modified public certificate if they can alter the victim's certificate. The vulnerability is rated Medium severity (CVSS 5.0) due to its network-based attack vector and low attack complexity, potentially leading to a partial loss of confidentiality. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.5.3iCPE matchmatch criteria
cpe:2.3:a:pgp:pgp:5.5.3i:*:*:*:*:*:*:*
6.5.1iCPE matchmatch criteria
cpe:2.3:a:pgp:pgp:6.5.1i:*:*:*:*:*:*:*
6.5.3iCPE matchmatch criteria
cpe:2.3:a:pgp:pgp:6.5.3i:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.50%
Probability of exploitation in next 30 days
EPSS Percentile
71.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0150 is in the 54th percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert.org / advisories/CA-2000-18.html
Third Party AdvisoryUS Government Resource
osvdb.org / 4354
securityfocus.com / bid/1606
PatchVendor Advisory