A Credentials Management CWE-255 vulnerability exists in the APC UPS Network Management Card 2 AOS v6.5.6, which could cause Remote Monitor…

published 2019-09-17 7y ago modified 2026-06-17 4mo ago also EUVD-2018-19532

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits: 0; none known

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.

Patch / fix

fixed in 4

schneider-electric ap9630_firmware 6.7.2
schneider-electric smart-ups_srt_5kva_firmware 6.7.2
schneider-electric ap9631_firmware 6.7.2
schneider-electric ap9635_firmware 6.7.2

Is CVE-2018-7820 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

Schneider Electric SE APC UPS Network Management Card 2 AOS

Classification

Weakness

CWE-255 Credentials Management Errors
CWE-522 Insufficiently Protected Credentials

References

apc.com /salestools/CCON-BFQMXC/CCON-BFQMXC_R0_EN.pdf
vendor-advisory

Sources

CVE List CVE-2018-7820
NVD CVE-2018-7820

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.