Hardcoded .htaccess Credentials for getlogs.cgi exist on Altus Nexto, Nexto Xpress, and Hadron Xtorm devices.

published 2021-08-23 5y ago modified 2026-06-17 4mo ago also EUVD-2021-25607

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

Hardcoded .htaccess Credentials for getlogs.cgi exist on Altus Nexto, Nexto Xpress, and Hadron Xtorm devices. This affects Nexto NX3003 1.8.11.0, Nexto NX3004 1.8.11.0, Nexto NX3005 1.8.11.0, Nexto NX3010 1.8.3.0, Nexto NX3020 1.8.3.0, Nexto NX3030 1.8.3.0, Nexto NX5100 1.8.11.0, Nexto NX5101 1.8.11.0, Nexto NX5110 1.1.2.8, Nexto NX5210 1.1.2.8, Nexto Xpress XP300 1.8.11.0, Nexto Xpress XP315 1.8.11.0, Nexto Xpress XP325 1.8.11.0, Nexto Xpress XP340 1.8.11.0, and Hadron Xtorm HX3040 1.7.58.0.

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Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

seclists.org https://seclists.org/fulldisclosure/2021/Aug/21 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-798 Use of Hard-coded Credentials

References

seclists.org /fulldisclosure/2021/Aug/21
exploit, mailing-list, third-party-advisory
altus.com.br /
vendor-advisory

Sources

CVE List CVE-2021-39245
NVD CVE-2021-39245

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