Buffer overflow in HP Hp-Ux
CVE-2021-20515
IBM Informix Dynamic Server 14.10 is vulnerable to a stack based buffer overflow, caused by improper bounds checking. A local privileged user could overflow a buffer and execute arbitrary code on the system or cause a denial of service condition. IBM X-Force ID: 198366.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (24.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- HP Hp-Ux
- IBM Aix
- IBM Informix Dynamic Server — versions 14.1
- IBM Informix Dynamic Server — versions 14.10
- Linux Kernel
- Microsoft Windows
- Oracle Solaris
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/6448568 (Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/198366 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-20515?
- CVE-2021-20515 is a medium-severity vulnerability in HP Hp-Ux, classified under Out-of-bounds Write. CVSS score: 6.7/10. Published 2021-04-30.
- How severe is CVE-2021-20515?
- Medium severity. CVSS v3 base score is 6.7 out of 10.