What is CVE-2023-27286?

CVE-2023-27286 is a high-severity vulnerability in IBM Aspera, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2023-04-02.

How severe is CVE-2023-27286?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in IBM Aspera

CVE-2023-27286

IBM Aspera Cargo 4.2.5 and IBM Aspera Connect 4.2.5 are vulnerable to a buffer overflow, caused by improper bounds checking. An attacker could overflow a buffer and execute arbitrary code on the system. IBM X-Force ID: 248616.

Vulnerability class: Buffer Overflow

Published 2023-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

exchange.xforce.ibmcloud.com/vulnerabilities/248627 (VDB Entry, vdb-entry, Vendor Advisory)
www.ibm.com/support/pages/node/6966588 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-27286?: CVE-2023-27286 is a high-severity vulnerability in IBM Aspera, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.4/10. Published 2023-04-02.
How severe is CVE-2023-27286?: High severity. CVSS v3 base score is 8.4 out of 10.