HOMEVULNERABILITIESCVE-2018-7820
CRITICAL

CVE-2018-7820

CWE-255Published: September 17, 2019· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A Credentials Management CWE-255 vulnerability exists in the APC UPS Network Management Card 2 AOS v6.5.6, which could cause Remote Monitoring Credentials to be viewed in plaintext when Remote Monitoring is enabled, and then disabled.

NVD Source

Technical Analysis

CVE-2018-7820 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

schneider-electric8 product(s)
ap9630 firmwareap9630smart-ups srt 5kva firmwaresmart-ups srt 5kvaap9631 firmwareap9631ap9635 firmwareap9635
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2018-7820
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-255
CISA KEVNo
Affected1 vendor(s)
PublishedSep 17, 2019

Related CVEs (CWE-255)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2018-7820 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.