SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-12997

In Loopchain through 2.2.1.3, an attacker can escalate privileges from a low-privilege shell by changing the environment (aka injection in the DEFAULT_SCORE_HOST environment variable).

HIGH 8.8EPSS 2.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In Loopchain through 2.2.1.3, an attacker can escalate privileges from a low-privilege shell by changing the environment (aka injection in the DEFAULT_SCORE_HOST environment variable).

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.04% probability · 81th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-78
Affected
icon/loopchain
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 2.04%27 October 202627 October 2026

EPSS 2.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.