VulnerabilityAnalyzed

CVE-2021-47986

Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork.

HIGH 7.7EPSS 0.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Parse Server before 4.10.0 contains a supply chain vulnerability where incorrect version tags were pushed to the repository linking to unreviewed code in a personal fork. Attackers could exploit this by specifying affected version tags in dependency declarations to execute unreviewed and potentially malicious code.

CVSS 4.0: 7.7 HIGHCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.18% probability · 8th percentile
CISA KEV: Not listed
Weakness: CWE-494
Affected: parseplatform/parse-server
Source: disclosure@vulncheck.com

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-593v-wcqx-hq2wVendor Advisory
https://www.vulncheck.com/advisories/parse-server-unreviewed-code-execution-via-malicious-version-tagsThird Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.