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CVE-2001-0011

33
FAUCET Score

CVE-2001-0011 describes a critical buffer overflow vulnerability within the nslookupComplain function of BIND 4, allowing remote attackers to achieve root privileges. With a CVSS score of 10.0, this flaw is easily exploitable over the network with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
4.9.3CPE matchmatch criteria
cpe:2.3:a:isc:bind:4.9.3:*:*:*:*:*:*:*
4.9.5CPE matchmatch criteria
cpe:2.3:a:isc:bind:4.9.5:*:*:*:*:*:*:*
4.9.5CPE matchmatch criteria
cpe:2.3:a:isc:bind:4.9.5:p1:*:*:*:*:*:*
4.9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:4.9.6:*:*:*:*:*:*:*
4.9.7CPE matchmatch criteria
cpe:2.3:a:isc:bind:4.9.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
7.65%
Probability of exploitation in next 30 days
EPSS Percentile
93.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0765 is in the 90th percentile among its peer group of 51,551 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 (3)

redhatpatch availablevia redhat_api
Product: Red Hat Linux 5.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch

Vendor Advisories (1)

redhatCVE-2001-0011

security flaw

Jan 29, 2001

References

cert.org / advisories/CA-2001-02.html
PatchThird Party AdvisoryUS Government Resource
nai.com / research/covert/advisories/047.asp
redhat.com / support/errata/RHSA-2001-007.html
securityfocus.com / bid/2307