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CVE-2002-0821

20
FAUCET Score

CVE-2002-0821 describes buffer overflow vulnerabilities in Ethereal 0.9.4 and earlier, specifically within its BGP and WCP dissectors. This flaw allows remote attackers to trigger a denial of service or execute arbitrary code on affected systems. With a CVSS score of 7.5, it is considered highly severe, indicating a network-based attack with low complexity that could lead to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, or significant community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.4CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.78%
Probability of exploitation in next 30 days
EPSS Percentile
84.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0278 is in the 73rd percentile among its peer group of 51,506 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 7.1
View patch

Vendor Advisories (1)

redhatCVE-2002-0821Moderate

security flaw

Jun 28, 2002

References

distro.conectiva.com / atualizacoes
ethereal.com / appnotes/enpa-sa-00005.html
Vendor AdvisoryURL Repurposed