CVE-2021-20546: ibm spectrum_protect_client Out-of-bounds Write
CVSS: 6.2v3.0MediumModified
Published 26-04-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-20546 is a medium (CVSS 6.2) Out-of-bounds Write vulnerability in ibm spectrum_protect_client. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.4% of scored vulnerabilities.
CVSS score
6.2/10
010
Medium · v3.0 (CVE.org)EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-04-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
IBM Spectrum Protect Client 8.1.0.0 through 8.1.11.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and cause the application to crash. IBM X-Force ID: 198934
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 6.2Preferred score · CVE.org (CNA)
CVSS:3.0/A:H/S:U/I:N/UI:N/AV:L/AC:L/C:N/PR:N/RL:O/RC:C/E:USourcesAll 2 agree
- NVDNIST6.2MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 21-09-2026
21-09-202621-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm2 products
- spectrum_protect_client≥ 8.1.0.0, ≤ 8.1.11.0
- spectrum_protect_for_space_management8.1.0.0 | 8.1.11.0 | ≥ 8.1.0.0, ≤ 8.1.11.0
1 vendor · 2 products