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CVE-2001-0763

36
FAUCET Score

CVE-2001-0763 describes a buffer overflow vulnerability in Linux xinetd versions 2.1.8.9pre11-1 and earlier, impacting Debian and SUSE Linux distributions. This flaw allows unauthenticated remote attackers to execute arbitrary code by sending a crafted, excessively long ident response. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, public exploit code exists on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.8.8.p3-1.1CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:suse:suse_linux:6.0:*:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:o:suse:suse_linux:6.1:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:suse:suse_linux:6.2:*:*:*:*:*:*:*
6.3CPE matchmatch criteria
cpe:2.3:o:suse:suse_linux:6.3:*:*:*:*:*:*:*

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
17.17%
Probability of exploitation in next 30 days
EPSS Percentile
96.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-20908 · Jun 28, 2001
This CVE's current EPSS score of 0.1717 is in the 95th percentile among its peer group of 51,485 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 (3)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch

Vendor Advisories (1)

redhatCVE-2001-0763

security flaw

Jun 8, 2001

References

archives.neohapsis.com / archives/bugtraq/2001-06/0064.html
Vendor Advisory
distro.conectiva.com.br / atualizacoes
download.immunix.org / ImmunixOS/7.0/updates/IMNX-2001-70-024-01
exchange.xforce.ibmcloud.com / vulnerabilities/6670
ciac.org / ciac/bulletins/l-104.shtml
debian.org / security/2001/dsa-063
PatchVendor Advisory
linuxsecurity.com / advisories/other_advisory-1469.html
redhat.com / support/errata/RHSA-2001-075.html
securityfocus.com / bid/2840