CVE-2018-17152: Intersystems Cache 2017.2.2.865.0 allows XXE.

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MEDIUM 6.4DOWNGRADE

CVE-2018-17152 is a medium-severity flaw (CVSS 6.4) affecting cache. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Intersystems Cache 2017.2.2.865.0 allows XXE.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-611
Published	2019-07-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: intersystems

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

Am I affected?

Timeline

2019-07-11 19:15 UTCPublished CVE record published
2026-06-17 01:45 UTCUpdated Record last modified

intersystems cache DOWNGRADE

Affected: 2017.2.2.865.0 · 2018.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2017.2.2.865.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2017.2.2.865.0 (Debian / Ubuntu)

apt-cache madison cache sudo apt install cache=<VERSION_BEFORE_2017.2.2.865.0> sudo apt-mark hold cache

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

dnf --showduplicates list cache sudo dnf downgrade cache-<VERSION_BEFORE_2017.2.2.865.0> sudo dnf versionlock add cache

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-2018-17152?

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

Is CVE-2018-17152 being exploited?

CVE-2018-17152 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-2018-17152 affect?

CVE-2018-17152 affects cache. Severity is medium (CVSS 6.4). Intersystems Cache 2017.2.2.865.0 allows XXE.

How urgent is CVE-2018-17152?

Priority 41/100. Public exploit reference

Related CVEs

CVE-2021-25903 HIGH 7.5 UPGRADE An issue was discovered in the cache crate through 2021-01-01 for Rust
CVE-2020-36448 HIGH 8.1 UPGRADE An issue was discovered in the cache crate through 2020-11-24 for Rust
CVE-2018-17151 MEDIUM 5.4 DOWNGRADE Intersystems Cache 2017.2.2.865.0 has Incorrect Access Control.
CVE-2018-17150 MEDIUM 6.1 DOWNGRADE Intersystems Cache 2017.2.2.865.0 allows XSS.

References

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