Skip to main content
Public proof of concept

CVE-2020-26732

A public proof of concept exists; no exploitation attested.

  • Published2021-01-14
  • WeaknessCWE-311

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

SKYWORTH GN542VF Hardware Version 2.0 and Software Version 2.0.0.16 does not set the Secure flag for the session cookie in an HTTPS session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an HTTP session.

Timeline

dates in UTC
  1. 2021-01-1416:15CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-26732?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-26732?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD
Skyworth gn542vf
BranchAffectedFixed in
2.0= 2.0no fix published
Skyworth gn542vf boa firmwareversion to verify
BranchAffectedFixed in
0.94= 0.94.13no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedswzhouu/CVE-2020-26732
PoC-in-GitHub

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2021-01-14
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-26732?

SKYWORTH GN542VF Hardware Version 2.0 and Software Version 2.0.0.16 does not set the Secure flag for the session cookie in an HTTPS session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an HTTP session.

Is CVE-2020-26732 actively exploited?

A proof-of-concept exploit exists for CVE-2020-26732, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2020-26732?

CVE-2020-26732 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Hear about the next vulnerability in your software

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month