CVE-2020-4987
IBM FlashSystem 900 1.5.2.9 and 1.6.1.3 user management GUI is vulnerable to stored cross-site...
The IBM FlashSystem 900 user management GUI is vulnerable to stored cross-site scripting in code versions 1.5.2.8 and prior and 1.6.1.2 and prior. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
The IBM FlashSystem 900 user management GUI is vulnerable to stored cross-site scripting in code versions 1.5.2.8 and prior and 1.6.1.2 and prior. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
- Record
CVE-2020-4987- CVSS 3.0
- 6.4 Medium
CVSS:3.0/A:N/UI:N/S:C/AC:L/I:L/PR:L/AV:N/C:L/RL:O/RC:C/E:H - Updated
- 2026-11-02
EUVDEUVD-2020-26234
The IBM FlashSystem 900 user management GUI is vulnerable to stored cross-site scripting in code versions 1.5.2.8 and prior and 1.6.1.2 and prior. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
- Record
EUVD-2020-26234- CVSS 3.0
- 6.4 Medium
CVSS:3.0/A:N/UI:N/S:C/AC:L/I:L/PR:L/AV:N/C:L/RL:O/RC:C/E:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ccmm-6836-3vxj No score
IBM FlashSystem 900 1.5.2.9 and 1.6.1.3 user management GUI is vulnerable to stored cross-site...
IBM FlashSystem 900 1.5.2.9 and 1.6.1.3 user management GUI is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 192702.
- Record
GHSA-ccmm-6836-3vxj- Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
The IBM FlashSystem 900 user management GUI is vulnerable to stored cross-site scripting in code versions 1.5.2.8 and prior and 1.6.1.2 and prior. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
- Record
CVE-2020-4987- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 6.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4987 is a medium vulnerability (CVSS 6.4) in Ibm Flashsystem 900, published May 4, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. No source names a fixed version.