Is CVE-2017-1000053 in the CISA KEV catalog?

No. CVE-2017-1000053 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-1000053?

CVE-2017-1000053 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2017-1000053?

CVE-2017-1000053 has an EPSS score of 1.93% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-1000053?

Upgrade plug to 1.3.2 or later.

CVE & CISA-KEV Catalog

CVE-2017-1000053

HIGHEPSS 78th pctl

8.1

CVSS v3

NVD

Description

Elixir Plug before v1.0.4, v1.1.7, v1.2.3 and v1.3.2 is vulnerable to arbitrary code execution in the deserialization functions of Plug.Session.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

plugNVD

Affected:>= 1.3.0, < 1.3.2Fixed in:1.3.2CVE-2017-1000053derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.93%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Mitigation1

elixirforum.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.