CVE-2020-4251
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to cross-site scripting. This vulnerability...
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to 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: 175489.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to 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: 175489.
- Record
CVE-2020-4251- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AC:L/C:L/A:N/S:C/I:L/UI:R/AV:N/PR:L/E:H/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-25498
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to 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: 175489.
- Record
EUVD-2020-25498- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AC:L/C:L/A:N/S:C/I:L/UI:R/AV:N/PR:L/E:H/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2m99-2wq3-prpf No score
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to cross-site scripting. This vulnerability...
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to 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: 175489.
- Record
GHSA-2m99-2wq3-prpf- Updated
- 2026-11-02
NVD
IBM API Connect 5.0.0.0 through 5.0.8.8 is vulnerable to 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: 175489.
- Record
CVE-2020-4251- 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
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/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-2020-4251 is a medium vulnerability (CVSS 5.4) in Ibm Api Connect, published June 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.