CVE-2020-2491

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 41% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. QTS 4.5.1: Photo Station 6.0.12 and later QTS 4.4.3: Photo Station 6.0.12 and later QTS 4.3.6: Photo Station 5.7.12 and later QTS 4.3.4: Photo Station 5.7.13 and later QTS 4.3.3: Photo Station 5.4.10 and later QTS 4.2.6: Photo Station 5.2.11 and later

CVSS v3
6.1
EG Score
6.1(medium)
EPSS
58.5%
KEV
Not listed

Published

December 10, 2020

Last Modified

November 21, 2024

References (2)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 42× 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.

  1. 2026-07-22 22:37 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  62. 2026-05-26 07:17 UTCEPSS rescore
  63. 2026-05-26 07:17 UTCEPSS rescore
  64. 2026-05-23 04:25 UTCEG score recompute
  65. 2026-05-23 04:25 UTCGHSA enrichment

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Frequently asked(5)

What is CVE-2020-2491?
CVE-2020-2491 is a medium vulnerability published on December 10, 2020. This cross-site scripting vulnerability in Photo Station allows remote attackers to inject malicious code. QANP We have already fixed this vulnerability in the following versions of Photo Station. QTS 4.5.1: Photo Station 6.0.12 and later QTS 4.4.3: Photo Station 6.0.12 and later QTS 4.3.6: Photo…
When was CVE-2020-2491 disclosed?
CVE-2020-2491 was first published in the National Vulnerability Database on December 10, 2020, 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-2020-2491 actively exploited?
CVE-2020-2491 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-2491?
CVE-2020-2491 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2020-2491?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-2491, 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.

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