How severe is CVE-2000-0300?

CVE-2000-0300 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-0300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0300?

CVE-2000-0300 affects Symantec Pcanywhere. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0300?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2000-0300 published?

CVE-2000-0300 was published on 2000-04-06 and last updated on 2026-06-16.

CVE-2000-0300

CVE-2000-0300 is a critical-severity vulnerability in Symantec Pcanywhere with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Pcanywhere
Published: 2000-04-06
Last modified: 2026-06-16

Description

The default encryption method of PcAnywhere 9.x uses weak encryption, which allows remote attackers to sniff and decrypt PcAnywhere or NT domain accounts.

Frequently asked questions

What is CVE-2000-0300?: The default encryption method of PcAnywhere 9.x uses weak encryption, which allows remote attackers to sniff and decrypt PcAnywhere or NT domain accounts.
How severe is CVE-2000-0300?: CVE-2000-0300 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0300?: CVE-2000-0300 affects Symantec Pcanywhere. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-0300 published?: CVE-2000-0300 was published on 2000-04-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:pcanywhere:9.0:*:*:*:*:*:*:*

More vulnerabilities in Symantec Pcanywhere

CVE-2012-0290 — Critical (CVSS 10.0): Symantec pcAnywhere through 12.5.3, Altiris IT Management Suite pcAnywhere Solution 7.0 (aka 12.5.x) and 7.1 (aka…
CVE-2011-3478 — Critical (CVSS 10.0): The host-services component in Symantec pcAnywhere 12.5.x through 12.5.3, and IT Management Suite pcAnywhere Solution…
CVE-2005-3934 — High (CVSS 7.8): Buffer overflow in Symantec pcAnywhere 11.0.1, 11.5.1, and all other 32-bit versions allows remote attackers to cause a…
CVE-2006-3784 — High (CVSS 7.2): Symantec pcAnywhere 12.5 uses weak default permissions for the "Symantec\pcAnywhere\Hosts" folder, which allows local…
CVE-2005-1970 — High (CVSS 7.2): Symantec pcAnywhere 10.5x and 11.x before 11.5, with "Launch with Windows" enabled, allows local users with physical…
CVE-2003-0936 — High (CVSS 7.2): Symantec PCAnywhere 10.x and 11, when started as a service, allows attackers to gain SYSTEM privileges via the help…

All CVEs affecting Symantec Pcanywhere →