CVE-2012-3821: A Security Bypass vulnerability exists in the activate.asp page in Arial Software Campaign Enterprise 11.0.551

Q: How do I fix CVE-2012-3821?

campaign enterprise: upgrade to newer than 11.0.551. Exact commands for each OS are on this page.

Q: Is CVE-2012-3821 being exploited?

CVE-2012-3821 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2012-3821 affect?

CVE-2012-3821 affects campaign enterprise. Severity is medium (CVSS 4.3). A Security Bypass vulnerability exists in the activate.asp page in Arial Software Campaign Enterprise 11.0.551, which could let a remote malicious user modify the SerialNumber field.

Q: How urgent is CVE-2012-3821?

Priority 37/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2012-3821 is a medium-severity flaw (CVSS 4.3) affecting campaign enterprise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Security Bypass vulnerability exists in the activate.asp page in Arial Software Campaign Enterprise 11.0.551, which could let a remote malicious user modify the SerialNumber field.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-863
Published	2020-01-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: arialsoftware

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-10 20:15 UTCPublished CVE record published
2026-06-16 23:43 UTCUpdated Record last modified

arialsoftware campaign enterprise UPGRADE

Affected: <= 11.0.551

Fixed in: newer than 11.0.551

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy campaign-enterprise || rpm -q campaign-enterprise || campaign-enterprise --version

2. UPGRADE to newer than 11.0.551 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade campaign-enterprise

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade campaign-enterprise

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2012-3821?

campaign enterprise: upgrade to newer than 11.0.551. Exact commands for each OS are on this page.

Is CVE-2012-3821 being exploited?

CVE-2012-3821 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-2012-3821 affect?

CVE-2012-3821 affects campaign enterprise. Severity is medium (CVSS 4.3). A Security Bypass vulnerability exists in the activate.asp page in Arial Software Campaign Enterprise 11.0.551, which could let a remote malicious user modify the SerialNumber field.

How urgent is CVE-2012-3821?

Priority 37/100. Public exploit reference

Related CVEs

CVE-2012-3824 HIGH 7.5 UPGRADE In Arial Campaign Enterprise before 11.0.551, multiple pages are accessible without authentication or authoriz
CVE-2012-3823 HIGH 7.5 UPGRADE Arial Campaign Enterprise before 11.0.551 stores passwords in clear text and these may be retrieved.
CVE-2012-3822 HIGH 7.5 UPGRADE Arial Campaign Enterprise before 11.0.551 has unauthorized access to the User-Edit.asp page, which allows remo

References

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