CVE-2020-4988
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute...
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.
- Record
CVE-2020-4988- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/A:L/AC:L/I:L/C:L/S:U/UI:N/PR:N/RL:O/E:U/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-26235
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.
- Record
EUVD-2020-26235- CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/A:L/AC:L/I:L/C:L/S:U/UI:N/PR:N/RL:O/E:U/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6rmx-66m4-ch79 No score
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute...
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.
- Record
GHSA-6rmx-66m4-ch79- Updated
- 2026-11-02
NVD
Loopback 8.0.0 contains a vulnerability that could allow an attacker to manipulate or pollute Javascript values and cause a denial of service or possibly execute code. IBM X-Force ID: 192706.
- Record
CVE-2020-4988- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.3 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-4988 is a high vulnerability (CVSS 7.3) in Ibm Loopback, published December 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.51%, the 74th percentile. No source names a fixed version.