Sinapsi eSolar Improper Authentication

published 2012-11-23 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5742

cvss: 9.4; version 2.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 4.9%; EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits: 1; Exploit-DB

These Sinapsi devices do not check if users that visit pages within the device have properly authenticated. By directly visiting the pages within the device, attackers can gain unauthorized access with administrative privileges.

Patch / fix

fixed in 3

Sinapsi eSolar 2.0.2870_xxx_2.2.12
Sinapsi eSolar DUO 2.0.2870_xxx_2.2.12
Sinapsi eSolar Light 2.0.2870_xxx_2.2.12

Vendor advisories

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

cisa ICSA-12-325-01 updated 2025-06-06 cvss 9.4

Sinapsi Devices Vulnerabilities

Sinapsi eSolar <2.0.2870_xxx_2.2.12 Sinapsi eSolar DUO <2.0.2870_xxx_2.2.12 Sinapsi eSolar Light <2.0.2870_xxx_2.2.12
affected: mitigation “Other affected vendors have been notified by Sinapsi and ICS-CERT, but the availability of new firmware upgrades are unknown by ICS-CERT at this time.”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

2012-09-12 First public exploit (EDB-21273)
2012-11-23 Published

Exploit prediction

4.91% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-21273 Ezylog Photovoltaic Management Server - Multiple Vulnerabilities webapps, 2012-09-12
archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2012-09/0045.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	2.0	9.4	AV:N/AC:L/Au:N/C:C/I:C/A:N
NVD	2.0	10.0	AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

Sinapsi eSolar
Sinapsi eSolar DUO
Sinapsi eSolar Light

Classification

Weakness

CWE-287 Improper Authentication
CWE-264 Permissions, Privileges, and Access Controls

References

exploit-db.com /exploits/21273/
exploit
archives.neohapsis.com /archives/bugtraq/2012-09/0045.html
mailing-list, exploit
exchange.xforce.ibmcloud.com /vulnerabilities/80200
vdb-entry
cisa.gov /news-events/ics-advisories/icsa-12-325-01
sinapsitech.it /default.asp?active_page_id=78&news_id=88
exchange.xforce.ibmcloud.com /vulnerabilities/80203
vdb-entry
us-cert.gov /control_systems/pdf/ICSA-12-325-01.pdf
us-government-resource

Sources

CVE List CVE-2012-5864
NVD CVE-2012-5864

Fencer Intel 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