CVE-2022-27249: An unrestricted file upload vulnerability in IdeaRE RefTree before 2021.09.17 allows remote authenticated user

Q: How do I fix CVE-2022-27249?

reftree: upgrade to 2021.09.17. Exact commands for each OS are on this page.

Q: Is CVE-2022-27249 being exploited?

CVE-2022-27249 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-27249 affect?

CVE-2022-27249 affects reftree. Severity is high (CVSS 8.8). An unrestricted file upload vulnerability in IdeaRE RefTree before 2021.09.17 allows remote authenticated users to execute arbitrary code by using UploadDwg to upload a crafted aspx file to the web root, and then visiting the URL for this a

Q: How urgent is CVE-2022-27249?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2022-27249 is a high-severity flaw (CVSS 8.8) affecting reftree. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An unrestricted file upload vulnerability in IdeaRE RefTree before 2021.09.17 allows remote authenticated users to execute arbitrary code by using UploadDwg to upload a crafted aspx file to the web root, and then visiting the URL for this aspx resource.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	4.9% (top 8%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-04-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: idearespa

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

Am I affected?

Timeline

2022-04-03 23:15 UTCPublished CVE record published
2026-06-17 04:36 UTCUpdated Record last modified

idearespa reftree UPGRADE

Affected: < 2021.09.17

Fixed in: 2021.09.17

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2021.09.17 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade reftree

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade reftree

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2022-27249?

reftree: upgrade to 2021.09.17. Exact commands for each OS are on this page.

Is CVE-2022-27249 being exploited?

CVE-2022-27249 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-2022-27249 affect?

CVE-2022-27249 affects reftree. Severity is high (CVSS 8.8). An unrestricted file upload vulnerability in IdeaRE RefTree before 2021.09.17 allows remote authenticated users to execute arbitrary code by using UploadDwg to upload a crafted aspx file to the web root, and then visiting the URL for this a

How urgent is CVE-2022-27249?

Priority 59/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2022-27248 MEDIUM 6.5 UPGRADE A directory traversal vulnerability in IdeaRE RefTree before 2021.09.17 allows remote authenticated users to d

References

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