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CVE-2022-27581· NVD / CVE Program· CNA SICK AG

Use of a Broken or Risky Cryptographic Algorithm in SICK RFU61x firmware version <v2.25 allows a low-privileged remote attacker to decrypt t

Use of a Broken or Risky Cryptographic Algorithm in SICK RFU61x firmware version <v2.25 allows a low-privileged remote attacker to decrypt the encrypted data if the user requested weak cipher suites to be used for encryption via the SSH interface. The patch and installation procedure for the firmware update is available from the responsible SICK customer contact person.

MediumCVSS 6.5 · v3.1—No exploit No fix recorded
Published
Dec 13, 2022
Updated
Jun 17, 2026
EPSS
0.3% · 23th percentile
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Action score

26

Monitor

Low priority for now.

CVSS
26 / 40 · 6.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
sickrfu610-10600 firmware
sickrfu610-10600
sickrfu610-10601 firmware
sickrfu610-10601
sickrfu610-10603 firmware
sickrfu610-10603
sickrfu610-10604 firmware
sickrfu610-10604
sickrfu610-10605 firmware
sickrfu610-10605
sickrfu610-10607 firmware
sickrfu610-10607

and 12 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sick rfu610-10600 firmwarebefore 2.25
  • sick rfu610-10601 firmwarebefore 2.25
  • sick rfu610-10603 firmwarebefore 2.25
  • sick rfu610-10604 firmwarebefore 2.25
  • sick rfu610-10605 firmwarebefore 2.25
  • sick rfu610-10607 firmwarebefore 2.25
  • sick rfu610-10609 firmwarebefore 2.25
  • sick rfu610-10610 firmwarebefore 2.25
  • sick rfu610-10613 firmwarebefore 2.25
  • sick rfu610-10614 firmwarebefore 2.25
  • sick rfu610-10618 firmwarebefore 2.25
  • sick rfu610-10700 firmwarebefore 2.25

Versions reported by the vendor

Affected version ranges reported by the assigning authority (SICK AG). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a SICK RFU61x Firmware

    • <v2.25affected

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-327 · Use of a Broken or Risky Cryptographic Algorithm

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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