Is CVE-2017-17536 in the CISA KEV catalog?

No. CVE-2017-17536 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-17536?

CVE-2017-17536 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2017-17536?

CVE-2017-17536 has an EPSS score of 2.00% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-17536?

Upgrade phabricator to 2017-11-10 or later.

CVE & CISA-KEV Catalog

CVE-2017-17536

HIGHEPSS 78th pctl

8.8

CVSS v3

NVD

Description

Phabricator before 2017-11-10 does not block the --config and --debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary code by using the web UI to browse a branch whose name begins with a --config= or --debugger= substring.

How to fix

Remediation Available

phabricatorNVD

Affected:< 2017-11-10Fixed in:2017-11-10CVE-2017-17536derived 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 ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

2.00%probability of exploitation in 30 days

78thpercentile

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

References

Patch1

secure.phabricator.com

Third-Party Advisory1

hackerone.com

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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.