CVE-2007-4600: The "Protect Worksheet" functionality in Mathsoft Mathcad 12 through 13.1, and PTC Mathcad 14, implements file

Routine

MEDIUM 4.6DOWNGRADE

CVE-2007-4600 is a medium-severity flaw (CVSS 4.6) affecting mathcad. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The "Protect Worksheet" functionality in Mathsoft Mathcad 12 through 13.1, and PTC Mathcad 14, implements file access restrictions via a protection element in a gzipped XML file, which allows attackers to bypass these restrictions by removing this element.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.6 (Medium)
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-264
Published	2007-10-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ptc

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

Am I affected?

Timeline

2007-10-18 20:17 UTCPublished CVE record published
2026-06-16 22:44 UTCUpdated Record last modified

ptc mathcad DOWNGRADE

Affected: 12 · 13 · 13.1 · 14

Fixed in: no fixed release known

Safe to downgrade to: a release before 12

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 12 (Debian / Ubuntu)

apt-cache madison mathcad sudo apt install mathcad=<VERSION_BEFORE_12> sudo apt-mark hold mathcad

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

dnf --showduplicates list mathcad sudo dnf downgrade mathcad-<VERSION_BEFORE_12> sudo dnf versionlock add mathcad

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-2007-4600?

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

Is CVE-2007-4600 being exploited?

CVE-2007-4600 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-2007-4600 affect?

CVE-2007-4600 affects mathcad. Severity is medium (CVSS 4.6). The "Protect Worksheet" functionality in Mathsoft Mathcad 12 through 13.1, and PTC Mathcad 14, implements file access restrictions via a protection element in a gzipped XML file, which allows attackers to bypass these restrictions by removi

How urgent is CVE-2007-4600?

Priority 22/100. No elevated risk signals yet.

Related CVEs

CVE-2006-7037 MEDIUM 4.4 DOWNGRADE Mathcad 12 through 13.1 allows local users to bypass the security features by directly accessing or editing th

References

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