CVE-1999-0057: Vacation program allows command execution by remote users through a sendmail command.
50
This month
HIGH 7.5MITIGATEMITIGATEMITIGATE
CVE-1999-0057 is a high-severity flaw (CVSS 7.5) affecting vacation, freebsd, hp-ux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Vacation program allows command execution by remote users through a sendmail command.
Why this priority
High severity
EPSS top 5%: very likely to be exploited
No fix is published yet: follow the downgrade or mitigation steps.
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
freebsd freebsd MITIGATE
Affected: 6.2 stable
Fixed in: no fixed release known
Safe to downgrade to: a release before 6.2
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp hp-ux MITIGATE
Affected: 9 · 10.00 · 10.09 · 10.24
Fixed in: no fixed release known
Safe to downgrade to: a release before 9
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hp vvos MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
ibm aix MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
sun solaris MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official sourceNVD · 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-1999-0057?
vacation: mitigate or apply the listed mitigation; freebsd: mitigate or apply the listed mitigation; hp-ux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-1999-0057 being exploited?
CVE-1999-0057 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-1999-0057 affect?
CVE-1999-0057 affects vacation, freebsd, hp-ux. Severity is high (CVSS 7.5). Vacation program allows command execution by remote users through a sendmail command.
How urgent is CVE-1999-0057?
Priority 50/100. High severity; EPSS top 5%: very likely to be exploited
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