CVE-2024-3781: Command injection vulnerability in the operating system

This month

CRITICAL 9.1DOWNGRADE

CVE-2024-3781 is a critical-severity flaw (CVSS 9.1) affecting wbsairback. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Command injection vulnerability in the operating system. Improper neutralisation of special elements in Active Directory integration allows the intended command to be modified when sent to a downstream component in WBSAirback 21.02.04.

Why this priority

Critical severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-78
Published	2024-04-15
Last modified	2026-06-17

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: whitebearsolutions

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-04-15 14:15 UTCPublished CVE record published
2026-06-17 07:45 UTCUpdated Record last modified

whitebearsolutions wbsairback DOWNGRADE

Affected: 21.02.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 21.02.04

1. Check installed version

apt-cache policy wbsairback || rpm -q wbsairback || wbsairback --version

2. No fixed release: DOWNGRADE to a release before 21.02.04 (Debian / Ubuntu)

apt-cache madison wbsairback sudo apt install wbsairback=<VERSION_BEFORE_21.02.04> sudo apt-mark hold wbsairback

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wbsairback sudo dnf downgrade wbsairback-<VERSION_BEFORE_21.02.04> sudo dnf versionlock add wbsairback

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-3781?

wbsairback: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-3781 being exploited?

CVE-2024-3781 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-3781 affect?

CVE-2024-3781 affects wbsairback. Severity is critical (CVSS 9.1). Command injection vulnerability in the operating system. Improper neutralisation of special elements in Active Directory integration allows the intended command to be modified when sent to a downstream component in WBSAirback 21.02.04.

How urgent is CVE-2024-3781?

Priority 49/100. Critical severity

Software pages

Active Directory vulnerabilities

Related CVEs

CVE-2024-3796 MEDIUM 4.8 DOWNGRADE Vulnerability in WBSAirback 21.02.04, which consists of a stored Cross-Site Scripting (XSS) through /admin/Bac
CVE-2024-3795 MEDIUM 4.8 DOWNGRADE Vulnerability in WBSAirback 21.02.04, which consists of a stored Cross-Site Scripting (XSS) through /admin/Bac
CVE-2024-3794 MEDIUM 4.8 DOWNGRADE Vulnerability in WBSAirback 21.02.04, which consists of a stored Cross-Site Scripting (XSS) through /admin/Adv
CVE-2024-3793 MEDIUM 4.8 DOWNGRADE Vulnerability in WBSAirback 21.02.04, which consists of a stored Cross-Site Scripting (XSS) through /admin/Clo
CVE-2024-3792 MEDIUM 4.8 DOWNGRADE Vulnerability in WBSAirback 21.02.04, which consists of a stored Cross-Site Scripting (XSS) through /admin/Dev

References

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