7.8

CVE-2022-47990: ibm aix Classic Buffer Overflow

CVSS: 7.8v3.1HighModified
Published 18-01-2023Last modified 03-04-2025
Open JSON

Vulnerability summary

CVE-2022-47990 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in ibm aix. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.5% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-01-2023
    PublishedVulnerability first disclosed.
  2. 03-04-2025
    Last modifiedVulnerability information updated.

Description

IBM AIX 7.1, 7.2, 7.3 and VIOS , 3.1 could allow a non-privileged local user to exploit a vulnerability in X11 to cause a buffer overflow that could result in a denial of service or arbitrary code execution. IBM X-Force ID: 243556.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ibm2 products
  • aix7.1, 7.2, 7.3, VIOS 3.1 | 7.1 | 7.2 | 7.3
  • vios3.1

1 vendor · 2 products

References

2 links