How severe is CVE-2020-36473?

CVE-2020-36473 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-36473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36473?

CVE-2020-36473 affects Ucweb Ucweb Uc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-36473 published?

CVE-2020-36473 was published on 2021-08-14 and last updated on 2026-06-17.

CVE-2020-36473

CVE-2020-36473 is a low-severity vulnerability in Ucweb Ucweb Uc with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 4.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Ucweb Ucweb Uc
Published: 2021-08-14
Last modified: 2026-06-17

Description

UCWeb UC 12.12.3.1219 through 12.12.3.1226 uses cleartext HTTP, and thus man-in-the-middle attackers can discover visited URLs.

Frequently asked questions

What is CVE-2020-36473?: UCWeb UC 12.12.3.1219 through 12.12.3.1226 uses cleartext HTTP, and thus man-in-the-middle attackers can discover visited URLs.
How severe is CVE-2020-36473?: CVE-2020-36473 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-36473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36473?: CVE-2020-36473 affects Ucweb Ucweb Uc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36473 published?: CVE-2020-36473 was published on 2021-08-14 and last updated on 2026-06-17.

References

https://medium.com/%40ciph3r/why-you-should-not-use-uc-browser-54558916d020

Affected products (1)

cpe:2.3:a:ucweb:ucweb_uc:*:*:*:*:*:*:*:*

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