A vulnerability has been identified in OpenV2G (V0.9.4).

published 2022-05-10 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31751

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits: 0; none known

A vulnerability has been identified in OpenV2G (V0.9.4). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption.

Patch / fix

links 1

cert-portal.siemens.com/productcert/pdf/ssa-736385.pdf advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-132-15 updated 2025-05-06 cvss 6.2

Siemens OpenV2G

Siemens OpenV2G V0.9.4
affected: fixed in V0.9.5 sourceforge.net

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:N/I:N/A:P

Affected products

Siemens OpenV2G

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

cert-portal.siemens.com /productcert/pdf/ssa-736385.pdf
patch, vendor-advisory

Sources

CVE List CVE-2022-27242
NVD CVE-2022-27242

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary