CVE-2024-21261: Vulnerability in Oracle Application Express (component: General)

Routine

MEDIUM 4.9DOWNGRADE

CVE-2024-21261 is a medium-severity flaw (CVSS 4.9) affecting application express. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in Oracle Application Express (component: General). Supported versions that are affected are 23.2 and 24.1. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Application Express. While the vulnerability is in Oracle Application Express, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unau

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Published	2024-10-15
Last modified	2026-06-17

Publisher (CNA): Oracle · Vendor: oracle

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

Am I affected?

Timeline

2024-10-15 20:15 UTCPublished CVE record published
2026-06-17 07:08 UTCUpdated Record last modified

oracle application express DOWNGRADE

Affected: 23.2 · 24.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 23.2

1. Check installed version

apt-cache policy application-express || rpm -q application-express || application-express --version

2. No fixed release: DOWNGRADE to a release before 23.2 (Debian / Ubuntu)

apt-cache madison application-express sudo apt install application-express=<VERSION_BEFORE_23.2> sudo apt-mark hold application-express

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

dnf --showduplicates list application-express sudo dnf downgrade application-express-<VERSION_BEFORE_23.2> sudo dnf versionlock add application-express

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-2024-21261?

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

Is CVE-2024-21261 being exploited?

CVE-2024-21261 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-2024-21261 affect?

CVE-2024-21261 affects application express. Severity is medium (CVSS 4.9). Vulnerability in Oracle Application Express (component: General). Supported versions that are affected are 23.2 and 24.1. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle

How urgent is CVE-2024-21261?

Priority 24/100. No elevated risk signals yet.

Related CVEs

CVE-2025-50067 CRITICAL 9.0 DOWNGRADE Vulnerability in Oracle Application Express (component: Strategic Planner Starter App)
CVE-2025-21557 MEDIUM 5.4 DOWNGRADE Vulnerability in Oracle Application Express (component: General)

References

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