Privilege Elevation in Ercom Cryptobox administration console

published 2026-02-04 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-5513

cvss: 4.8; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

On a Cryptobox platform where administrator segregation based on entities is used, some vulnerabilities in Ercom Cryptobox administration console allows an authenticated entity administrator with knowledge to elevate his account to global administrator.

Patch / fix

fixed in 1

Ercom Cryptobox v4.40.x

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 9 mo ago (2026-02-04)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U
CNA	4.0	4.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/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

Ercom Cryptobox

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-1220 Insufficient Granularity of Access Control

References

info.cryptobox.com /doc/v4.40/4.40.en/

Sources

CVE List CVE-2026-0873
NVD CVE-2026-0873

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