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CVE-2001-1126

15
FAUCET Score

CVE-2001-1126 describes a denial-of-service vulnerability affecting Symantec LiveUpdate versions 1.4 through 1.6, and potentially later versions. Remote attackers can exploit this by using DNS spoofing to flood the update.symantec.com site, disrupting update services. Rated as Medium severity with a CVSS score of 5.0, this vulnerability has a low attack complexity and requires no authentication, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4CPE matchmatch criteria
cpe:2.3:a:symantec:liveupdate:1.4:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:symantec:liveupdate:1.5:*:*:*:*:*:*:*
1.6CPE matchmatch criteria
cpe:2.3:a:symantec:liveupdate:1.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.60%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0260 is in the 76th percentile among its peer group of 23,701 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/7235
sarc.com / avcenter/security/Content/2001.10.05.html
securityfocus.com / archive/1/218717
PatchVendor Advisory
securityfocus.com / bid/3413
Vendor Advisory