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NVD / CVE Program· CNA mitre

CVE-2024-23170: An issue was discovered in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2.

Noroxi assessment

Priority: Monitor (action score 22/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.31% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: CBL Mariner 2.0 ARM 1.0.1-6; CBL Mariner 2.0 x64 1.0.1-6.

Low priority for now. Upgrade to CBL Mariner 2.0 ARM 1.0.1-6; CBL Mariner 2.0 x64 1.0.1-6 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

An issue was discovered in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2. There was a timing side channel in RSA private operations. This side channel could be sufficient for a local attacker to recover the plaintext. It requires the attacker to send a large number of messages for decryption, as described in "Everlasting ROBOT: the Marvin Attack" by Hubert Kario.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Jan 31, 2024
Updated
Jun 17, 2026
EPSS
0.3% · 24th percentile

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 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.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2024-23170

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
armmbed tls
trustedfirmwarembed tls

Check your server's TLS configuration

The Mbed TLS version can't be seen from outside; the free SSL checker tests your certificate, enabled TLS versions and weak ciphers. Confirm the version on your server with the package manager.

Run the SSL check

Affected versions

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

  • arm mbed tls2.0.0 and later · before 2.28.7
  • trustedfirmware mbed tls3.0.0 and later · before 3.5.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Alpine:v3.16mbedtlsbefore 2.28.7-r02.28.7-r0
Alpine:v3.20mbedtls2before 2.28.7-r02.28.7-r0
Alpine:v3.24mbedtls3before 2.28.7-r02.28.7-r0
Debian:12mbedtlsfrom 0—
Debian:13mbedtlsbefore 2.28.7-12.28.7-1
openSUSE:Leap 15.5mbedtlsbefore 2.28.7-bp155.2.3.12.28.7-bp155.2.3.1
openSUSE:Tumbleweedmbedtlsbefore 3.5.2-1.13.5.2-1.1
openSUSE:Tumbleweedmbedtls-2before 2.28.7-1.12.28.7-1.1
SUSE:Package Hub 15 SP5mbedtlsbefore 2.28.7-bp155.2.3.12.28.7-bp155.2.3.1

Same product

arm: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-47917Mbed TLS before 3.6.4 allows a use-after-free in certain situations of applications that are developed in accordance with the documentation.
    40Plan
  • CVE-2021-44732Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.
    40Plan
  • CVE-2017-18187In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2023-43615Oct 6, 2023 · Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
    30Monitor
  • ← EarlierCVE-2023-52353Jan 21, 2024 · An issue was discovered in Mbed TLS through 3.5.1.
    30Monitor
  • Later →CVE-2024-23775Jan 31, 2024 · Integer Overflow vulnerability in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2, allows attackers to cause a denial of service (DoS) via m
    30Monitor

Remediation

Which version to upgrade to

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

Product / packageFixed versionSource
CBL Mariner 2.0 ARM1.0.1-6 · hvloaderMicrosoft (MSRC)
CBL Mariner 2.0 x641.0.1-6 · hvloaderMicrosoft (MSRC)
alpine:mbedtls2.28.7-r0 · Alpine:v3.16Package registry (OSV)
alpine:mbedtls22.28.7-r0 · Alpine:v3.20Package registry (OSV)
alpine:mbedtls32.28.7-r0 · Alpine:v3.24Package registry (OSV)
debian:mbedtls2.28.7-1 · Debian:13Package registry (OSV)
opensuse:mbedtls2.28.7-bp155.2.3.1 · openSUSE:Leap 15.5Package registry (OSV)
opensuse:mbedtls-22.28.7-1.1 · openSUSE:TumbleweedPackage registry (OSV)
suse:mbedtls2.28.7-bp155.2.3.1 · SUSE:Package Hub 15 SP5Package registry (OSV)

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.

No history yet (it accumulates with the daily EPSS job).

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.

  • CVE-2022-46392412 days apartAn issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0.
    21Monitor

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

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system 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
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-203 · Observable Discrepancy

CVSS vector

CVSS:3.1/AV:L/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.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (4 more)

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

All records