CWE-287: Improper Authentication vulnerability exists that could cause Denial of access to the web interface when someone on the local netw…

published 2024-12-11 22 mo ago modified 2026-06-17 4 mo ago also EUVD-2024-33505

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

CWE-287: Improper Authentication vulnerability exists that could cause Denial of access to the web interface when someone on the local network repeatedly requests the /accessdenied URL.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-010-01 updated 2024-12-10 cvss 5.3

Schneider Electric PowerChute Serial Shutdown

Schneider Electric PowerChute Serial Shutdown <=1.2.0.301
affected: vendor fix, mitigation apc.com
Schneider Electric PowerChute Serial Shutdown 1.3
fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 22 mo ago (2024-12-11)

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.3	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA	4.0	6.3	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Schneider Electric PowerChute Serial Shutdown

Classification

Weakness

CWE-287 Improper Authentication

References

download.schneider-electric.com /files?p_Doc_Ref=SEVD-2024-345-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2024-345-01.pdf

Sources

CVE List CVE-2024-10511
NVD CVE-2024-10511

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary