CVE-2012-1198: base_ag_main.php in Basic Analysis and Security Engine (BASE) 1.4.5 allows remote attackers to execute arbitra

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HIGH 7.5DOWNGRADE

CVE-2012-1198 is a high-severity flaw (CVSS 7.5) affecting basic analysis and security engine. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

base_ag_main.php in Basic Analysis and Security Engine (BASE) 1.4.5 allows remote attackers to execute arbitrary code by uploading contents of the file with an executable extension via a create action, then accessing it via a view action.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	5.0% (top 8%)
CISA exploited list	No
Weakness	CWE-20
Published	2012-02-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: secureideas

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

Am I affected?

Timeline

2012-02-18 00:55 UTCPublished CVE record published
2026-06-16 23:39 UTCUpdated Record last modified

secureideas basic analysis and security engine DOWNGRADE

Affected: 1.4.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.5

1. Check installed version

apt-cache policy basic-analysis-and-security-engine || rpm -q basic-analysis-and-security-engine || basic-analysis-and-security-engine --version

2. No fixed release: DOWNGRADE to a release before 1.4.5 (Debian / Ubuntu)

apt-cache madison basic-analysis-and-security-engine sudo apt install basic-analysis-and-security-engine=<VERSION_BEFORE_1.4.5> sudo apt-mark hold basic-analysis-and-security-engine

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

dnf --showduplicates list basic-analysis-and-security-engine sudo dnf downgrade basic-analysis-and-security-engine-<VERSION_BEFORE_1.4.5> sudo dnf versionlock add basic-analysis-and-security-engine

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Basic Analysis and Security Engine (BASE) 1.4.5 - 'base_ag_main.php' Crafted Arbitrary File Upload / Arbitrary Code Exec

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-2012-1198?

basic analysis and security engine: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-1198 being exploited?

CVE-2012-1198 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-2012-1198 affect?

CVE-2012-1198 affects basic analysis and security engine. Severity is high (CVSS 7.5). base_ag_main.php in Basic Analysis and Security Engine (BASE) 1.4.5 allows remote attackers to execute arbitrary code by uploading contents of the file with an executable extension via a create action, then accessing it via a view action.

How urgent is CVE-2012-1198?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2012-1199 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in Basic Analysis and Security Engine (BASE) 1.4.5 allow re

References

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