CVE-2019-17181: A remote SEH buffer overflow has been discovered in IntraSrv 1.0 (2007-06-03)

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2019-17181 is a critical-severity flaw (CVSS 9.8) affecting intrasrv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A remote SEH buffer overflow has been discovered in IntraSrv 1.0 (2007-06-03). An attacker may send a crafted HTTP GET or HEAD request that can result in a compromise of the hosting system.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	47.7% (top 1%)
CISA exploited list	No
Weakness	CWE-120
Published	2019-10-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: intrasrv project

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

Am I affected?

Timeline

2019-10-28 17:15 UTCPublished CVE record published
2026-06-17 02:23 UTCUpdated Record last modified

intrasrv project intrasrv DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison intrasrv sudo apt install intrasrv=<VERSION_BEFORE_1.0> sudo apt-mark hold intrasrv

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

dnf --showduplicates list intrasrv sudo dnf downgrade intrasrv-<VERSION_BEFORE_1.0> sudo dnf versionlock add intrasrv

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: Intrasrv 1.0 Buffer Overflow

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-2019-17181?

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

Is CVE-2019-17181 being exploited?

CVE-2019-17181 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-2019-17181 affect?

CVE-2019-17181 affects intrasrv. Severity is critical (CVSS 9.8). A remote SEH buffer overflow has been discovered in IntraSrv 1.0 (2007-06-03). An attacker may send a crafted HTTP GET or HEAD request that can result in a compromise of the hosting system.

How urgent is CVE-2019-17181?

Priority 69/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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