CVE-2020-13558

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-24. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 8.8Exploit: None knownExposed: 0

A fix is available — apply it.

A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
2%
EPSS %ILE
78%
KEV
Not listed

Published

March 3, 2021

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Aug 4, 2026
No patch confirmed yet.
generic

TALOS-2020-1172 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1172
generic

WebkitGTK+: Multiple vulnerabilities (GLSA 202104-03) — Gentoo security

https://security.gentoo.org/glsa/202104-03

Vendor Advisories for CVE-2020-13558(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuwebkit2gtk-driver (2.30.5-0ubuntu0.20.10.1) @ groovy2026-05-26ubuntu
redhatwebkitgtk4-0:2.48.3-2.el7_92025-07-07redhat
redhatwebkit2gtk3-0:2.32.3-2.el82021-11-09redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(9 across 5 ecosystems)
Debian:11(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.30.5-1—
wpewebkit—2.30.5-1—
Debian:12(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.30.5-1—
wpewebkit—2.30.5-1—
Debian:13(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.30.5-1—
wpewebkit—2.30.5-1—
Debian:14(2)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.30.5-1—
wpewebkit—2.30.5-1—
Debian:10(1)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.24.2-1 ... 2.30.4-1~deb10u1 (72 versions)2.30.5-1~deb10u1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× in last 7d / 32× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 131 total refreshes for this CVE.

  1. 2026-08-20 22:51 UTCEPSS rescore
  2. 2026-08-20 07:55 UTCOSV refresh
  3. 2026-08-19 17:00 UTCEPSS rescore
  4. 2026-08-18 13:44 UTCEPSS rescore
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  16. 2026-08-05 02:41 UTCOSV refresh
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  5. 2026-07-23 01:49 UTCEG score recompute
  6. 2026-07-22 22:34 UTCEG score recompute
  7. 2026-07-22 14:05 UTCEPSS rescore
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  15. 2026-07-19 00:59 UTCOSV refresh
  16. 2026-07-18 10:02 UTCEPSS rescore
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  25. 2026-07-09 19:06 UTCEPSS rescore
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  27. 2026-07-07 13:43 UTCEPSS rescore
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  68. 2026-06-13 22:58 UTCEPSS rescore
  69. 2026-06-13 12:43 UTCOSV refresh
  70. 2026-06-12 23:09 UTCEPSS rescore
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  74. 2026-06-10 13:20 UTCEPSS rescore
  75. 2026-06-08 14:15 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2020-13558?
CVE-2020-13558 is a high vulnerability published on March 3, 2021. A code execution vulnerability exists in the AudioSourceProviderGStreamer functionality of Webkit WebKitGTK 2.30.1. A specially crafted web page can lead to a use after free.
When was CVE-2020-13558 disclosed?
CVE-2020-13558 was first published in the National Vulnerability Database on March 3, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-13558 actively exploited?
CVE-2020-13558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 22.5% of all scored CVEs.
What is the CVSS score of CVE-2020-13558?
CVE-2020-13558 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2020-13558?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-13558, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-13558

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