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CVE-2001-0835

21
FAUCET Score

CVE-2001-0835 describes a cross-site scripting (XSS) vulnerability in Webalizer 2.01-06 and potentially other versions. Attackers can inject arbitrary HTML tags through manipulated search keywords in HTTP referrer information or via hostnames obtained through reverse DNS lookups. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and potential for partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.6CPE matchmatch criteria
cpe:2.3:a:bradford_barrett:webalizer:*:*:*:*:*:*:*:*

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
3.38%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0338 is in the 78th percentile among its peer group of 51,485 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 7.2
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-2001-0835

security flaw

Oct 24, 2001

References

lists.suse.com / archives/suse-security-announce/2001-Nov/0001.html
PatchVendor Advisory
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/7350
exchange.xforce.ibmcloud.com / vulnerabilities/7351
linuxsecurity.com / advisories/other_advisory-1677.html
mrunix.net / webalizer/news.html
PatchVendor Advisory
redhat.com / support/errata/RHSA-2001-140.html
redhat.com / support/errata/RHSA-2001-141.html
PatchVendor Advisory
securityfocus.com / bid/3473
PatchVendor Advisory