Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2002-0834

25
FAUCET Score

CVE-2002-0834 describes a buffer overflow vulnerability in the ISIS dissector of Ethereal version 0.9.5 and earlier. This flaw allows remote attackers to trigger a denial of service or execute arbitrary code by sending specially crafted, malformed packets. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, readily available exploit code, or inclusion in the KEV catalog, the vulnerability has garnered significant community discussion, with 10 mentions, primarily on GitHub.

Impacted Technologies

VendorProductVersion(s)CPE
0.8CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8:*:*:*:*:*:*:*
0.8.18CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.8.18:*:*:*:*:*:*:*
0.9.1CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:*
0.9.2CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:*
0.9.3CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:*

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
2.48%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0248 is in the 70th percentile among its peer group of 51,466 CVEs.

Social Chatter

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-2002-0834Moderate

security flaw

Aug 20, 2002

References

ethereal.com / appnotes/enpa-sa-00006.html
PatchVendor AdvisoryURL Repurposed