CVE-2008-2423: Unspecified vulnerability in Interchange before 5.6.0 and before 5.5.2 allows remote attackers to cause a deni

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HIGH 10.0DOWNGRADE

CVE-2008-2423 is a high-severity flaw (CVSS 10.0) affecting interchange. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in Interchange before 5.6.0 and before 5.5.2 allows remote attackers to cause a denial of service via crafted HTTP requests. NOTE: this might overlap CVE-2007-2635.

Why this priority

Critical severity
EPSS top 10%: very likely to be exploited

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.0% (top 10%)
CISA exploited list	No
Published	2008-05-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: interchange development group

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

Am I affected?

Timeline

2008-05-23 15:33 UTCPublished CVE record published
2026-06-16 22:53 UTCUpdated Record last modified

interchange development group interchange DOWNGRADE

Affected: 4.8.0 · 4.8.1 · 4.8.2 · 4.8.3 · 4.8.4 · 4.8.5 · 4.8.6 · 4.8.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.8.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.8.0 (Debian / Ubuntu)

apt-cache madison interchange sudo apt install interchange=<VERSION_BEFORE_4.8.0> sudo apt-mark hold interchange

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

dnf --showduplicates list interchange sudo dnf downgrade interchange-<VERSION_BEFORE_4.8.0> sudo dnf versionlock add interchange

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-2008-2423?

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

Is CVE-2008-2423 being exploited?

CVE-2008-2423 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-2008-2423 affect?

CVE-2008-2423 affects interchange. Severity is high (CVSS 10.0). Unspecified vulnerability in Interchange before 5.6.0 and before 5.5.2 allows remote attackers to cause a denial of service via crafted HTTP requests. NOTE: this might overlap CVE-2007-2635.

How urgent is CVE-2008-2423?

Priority 58/100. Critical severity; EPSS top 10%: very likely to be exploited

Related CVEs

CVE-2020-12685 MEDIUM 6.1 UPGRADE XSS in the admin help system admin/help.html and admin/quicklinks.html in Interchange 4.7.0 through 5.11.x all
CVE-2008-6945 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in Interchange 5.7 before 5.7.1, 5.6 before 5.6.1, and 5.4
CVE-2008-2424 HIGH 10.0 UPGRADE Unspecified vulnerability in the 404 error page for the "Standard demo" in Interchange before 5.6.0 and before

References

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