CVE-2021-42948

HotelDruid Hotel Management Software v3.0.3 and below was discovered to have exposed session tokens in multiple links via GET parameters, allowing attackers to access user session id's.

Published: 2022-09-16 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2021-42948 is rated Low Risk (31.6/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.66%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-42948

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.15% 0.66% +0.51%
2 2025-07-13 0.14% 0.15% +0.01%
3 2025-03-30 0.14%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-42948

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.7 3.1 LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.2 1.4 [email protected]

Weakness enumeration for CVE-2021-42948

OS Trackers for CVE-2021-42948

vendor priority summary link
debian not yet assigned CVE-2021-42948 not yet assigned priority: Debian including 1 source packages (hoteldruid), 3 status rows across 3 suites (bookworm, bullseye, sid): resolved 2, open 1. https://security-tracker.debian.org/tracker/CVE-2021-42948
ubuntu medium CVE-2021-42948 medium priority: Ubuntu including 1 source packages (hoteldruid), 13 status rows across 13 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, upstream, xenial): not-affected 6, ignored 4, needs-triage 2, released 1. https://ubuntu.com/security/CVE-2021-42948

Affected software / configurations for CVE-2021-42948

Vendor Product Version Raw CPE
digitaldruid hoteldruid <= 3.0.3 cpe:2.3:a:digitaldruid:hoteldruid:*:*:*:*:*:*:*:*

References for CVE-2021-42948

cvelogic Threat Intelligence