Skip to content
Noroxi
NVD / CVE Program· CNA autodesk

CVE-2021-27033: Double Free File Parsing Vulnerability in Autodesk Design Review

HighCVSS 8.1 · v3.1—No exploit Fix available

Noroxi assessment

Priority: Monitor (action score 33/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 3% (FIRST EPSS); higher than 87.6% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
  • Fixed version: Autodesk Design Review 2018.0.0.

Low priority for now. Upgrade to Autodesk Design Review 2018.0.0 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A maliciously crafted PDF file, when opened by a user in Autodesk Design Review, can trigger a Double Free vulnerability in the Autodesk Design Review application. A malicious actor may leverage this vulnerability to cause memory corruption and execute arbitrary code in the context of the current process.

Published
Jul 9, 2021
Updated
Jun 19, 2026
EPSS
3.0% · 87th percentile

Report tools

JSON

Action score

33

Monitor

Low priority for now.

CVSS
32 / 40 · 8.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 3.0%

CNA vs NVD score

NVD
8.1
CNA · autodesk
8.1
agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2021-27033

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits every 10 minutes on paid plans, on the hour on the free plan.

Your free account also gets you

  • CVE alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools, at most 30 a day (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for autodesk records
Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

We use this product, ask for help

Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
autodeskdesign review

Versions reported by the vendor

Affected version ranges reported by the assigning authority (autodesk). Independent of NVD's CPE analysis and usually ahead of it.

  • Autodesk Design Review

    • 2018.0.0, 2017.0.0, 2013.0.0, 2012.0.0, 2011.0.0 and later · before 2018.0.0affected · semver
Affected versions · NVD (5)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • autodesk design review2011
  • autodesk design review2012
  • autodesk design review2013
  • autodesk design review2017
  • autodesk design review2018

Same product

autodesk: all records

Other highest-scoring records for the same primary product.

  • CVE-2008-4472The UpdateEngine class in the LiveUpdate ActiveX control (LiveUpdate16.DLL 17.2.56), as used in Revit Architecture 2009 SP2 and Autodesk…
    39Monitor
  • CVE-2008-4471Directory traversal vulnerability in the CExpressViewerControl class in the DWF Viewer ActiveX control (AdView.dll 9.0.0.96), as used in…
    39Monitor
  • CVE-2022-27864A Double Free vulnerability allows remote attackers to execute arbitrary code through DesignReview.exe application on PDF files within…
    35Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2019-7362Aug 23, 2019 · DLL preloading vulnerability in Autodesk Design Review versions 2011, 2012, 2013, and 2018.
    31Monitor
  • ← EarlierCVE-2019-7363Aug 23, 2019 · Use-after-free vulnerability in Autodesk Design Review versions 2011, 2012, 2013, and 2018.
    31Monitor
  • Later →CVE-2021-27034Jul 9, 2021 · A heap-based buffer overflow could occur while parsing PICT, PCX, RCL or TIFF files in Autodesk Design Review 2018, 2017, 2013, 2012, 2011.
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Autodesk Design Review2018.0.0Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Not on record for this CVE: EPSS history · patch commit or PR link · researcher credit · variant or chain candidate.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-415 · Double Free

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

References

Show all references (2 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records