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CVE-2021-34883· NVD / CVE Program· CNA zdi

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley View 10.15.0.75.

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley View 10.15.0.75. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of J2K files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14836.

LowCVSS 3.3 · v3.1—No exploit No fix recorded
Published
Jan 13, 2022
Updated
Jun 16, 2026
EPSS
1.6% · 75th percentile
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Action score

13

Monitor

Low priority for now.

CVSS
13 / 40 · 3.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

CNA vs NVD score

NVD
3.3
CNA · zdi
3.3
agree

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

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

Affected systems

VendorProduct
bentleybentley view
bentleymicrostation

Affected versions

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

  • bentley bentley viewbefore 10.16.02
  • bentley microstationbefore 10.16.02

Versions reported by the vendor

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

  • Bentley View

    • 10.15.0.75affected

Same product

bentley: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-34946This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
    32Monitor
  • CVE-2021-34945This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
    32Monitor
  • CVE-2021-34942This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
    32Monitor
  • CVE-2021-34941This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
    32Monitor
  • CVE-2021-34940This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
    32Monitor
  • CVE-2021-34939This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View 10.15.0.75.
    32Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

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.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system 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
low · data can be read
Integrity
none
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-125 · Out-of-bounds Read

CVSS vector

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

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

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

All records