Vulnerability · Published Jul 13, 2021 · Assigned by siemens

CVE-2021-34309

High 7.8

In plain English

A high-severity out-of-bounds write in JT2Go from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS NVD)7.8High

Exploit odds (30 days)1.7%top 23.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in JT2Go (All versions < V13.2), Teamcenter Visualization (All versions < V13.2). The Tiff_loader.dll library in affected applications lacks proper validation of user-supplied data when parsing TIFF files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13350)

Affected products (as reported)

Vendor	Product	Versions
Siemens	JT2Go	All versions < V13.2
Siemens	Teamcenter Visualization	All versions < V13.2

Weakness: CWE-787

References

https://cert-portal.siemens.com/productcert/pdf/ssa-483182.pdf x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-21-838/ x_refsource_MISC