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CVE-2017-1000385· NVD / CVE Program· CNA mitre

The Erlang otp TLS server answers with different TLS alerts to different error types in the RSA PKCS #1 1.5 padding.

The Erlang otp TLS server answers with different TLS alerts to different error types in the RSA PKCS #1 1.5 padding. This allows an attacker to decrypt content or sign messages with the server's private key (this is a variation of the Bleichenbacher attack).

MediumCVSS 5.9 · v3.0—Weaponized Fix available
Published
Dec 12, 2017
Updated
Jun 16, 2026
EPSS
22.1% · 98th percentile
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Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
23 / 40 · 5.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
7 / 30 · 22.1%

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
erlangerlang\/otp
debiandebian linux

Affected versions

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

  • debian debian linux8.0
  • debian debian linux9.0
  • erlang erlang/otp18.3.4.7
  • erlang erlang/otp19.3.6.4
  • erlang erlang/otp20.1.7

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12erlangbefore 1:20.1.7+dfsg-11:20.1.7+dfsg-1
Debian:7erlangbefore 1:15.b.1-dfsg-4+deb7u21:15.b.1-dfsg-4+deb7u2
Debian:8erlangbefore 1:17.3-dfsg-4+deb8u21:17.3-dfsg-4+deb8u2
Debian:9erlangbefore 1:19.2.1+dfsg-2+deb9u11:19.2.1+dfsg-2+deb9u1
Red Hat:cloudforms_managementengine:5.10::el7ansible-towerbefore 0:3.4.1-2.el7at0:3.4.1-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7ansible-tower-serverbefore 0:3.4.1-2.el7at0:3.4.1-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7ansible-tower-setupbefore 0:3.4.1-2.el7at0:3.4.1-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7ansible-tower-uibefore 0:3.4.1-2.el7at0:3.4.1-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7ansible-tower-venv-ansiblebefore 0:3.4.1-2.el7at0:3.4.1-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7ansible-tower-venv-towerbefore 0:3.4.1-2.el7at0:3.4.1-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7cfmebefore 0:5.10.1.2-2.el7cf0:5.10.1.2-2.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-amazon-smartstatebefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-appliancebefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-appliance-commonbefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-appliance-debuginfobefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-appliance-toolsbefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-debuginfobefore 0:5.10.1.2-2.el7cf0:5.10.1.2-2.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-gemsetbefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7cfme-gemset-debuginfobefore 0:5.10.1.2-1.el7cf0:5.10.1.2-1.el7cf
Red Hat:cloudforms_managementengine:5.10::el7erlangbefore 0:20.3.8.9-2.el7at0:20.3.8.9-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7erlang-debuginfobefore 0:20.3.8.9-2.el7at0:20.3.8.9-2.el7at
Red Hat:cloudforms_managementengine:5.10::el7nginxbefore 1:1.14.1-1.el7at1:1.14.1-1.el7at
Red Hat:cloudforms_managementengine:5.10::el7nginx-all-modulesbefore 1:1.14.1-1.el7at1:1.14.1-1.el7at
Red Hat:cloudforms_managementengine:5.10::el7nginx-debuginfobefore 1:1.14.1-1.el7at1:1.14.1-1.el7at

+51

Same product

erlang: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-32433Erlang/OTP SSH Vulnerable to Pre-Authentication RCEKEV
    100Now
  • CVE-2022-37026In Erlang/OTP before 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there is a Client Authentication Bypass in certain client-cert
    39Monitor
  • CVE-2016-10253An issue was discovered in Erlang/OTP 18.x.
    39Monitor
  • CVE-2026-55953TLS 1.2 and DTLS client accepts unoffered anonymous cipher suite, bypassing server authentication
    36Monitor
  • CVE-2026-49759Stack buffer overflow in SCTP error cause parsing in inet_drv allows remote VM crash
    35Monitor
  • CVE-2026-59251Denial of service via exponential certificate policy tree growth in path validation
    34Monitor

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
debian:erlang1:20.1.7+dfsg-1 · Debian:12Package registry (OSV)
red hat:ansible-tower0:3.4.1-2.el7at · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:ansible-tower-server0:3.4.1-2.el7at · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:ansible-tower-setup0:3.4.1-2.el7at · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:ansible-tower-ui0:3.4.1-2.el7at · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:ansible-tower-venv-ansible0:3.4.1-2.el7at · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:ansible-tower-venv-tower0:3.4.1-2.el7at · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:cfme0:5.10.1.2-2.el7cf · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:cfme-amazon-smartstate0:5.10.1.2-1.el7cf · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:cfme-appliance0:5.10.1.2-1.el7cf · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:cfme-appliance-common0:5.10.1.2-1.el7cf · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:cfme-appliance-debuginfo0:5.10.1.2-1.el7cf · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
red hat:cfme-appliance-tools0:5.10.1.2-1.el7cf · Red Hat:cloudforms_managementengine:5.10::el7Package registry (OSV)
suse:erlang17.5.6-3.3.1 · SUSE:OpenStack Cloud 7Package registry (OSV)

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Metasploit moduleauxiliary/scanner/ssl/bleichenbacher_oracleScanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5auxiliary2009-06-17

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.

  1. Metasploit-3101 d
  2. Published
  3. TodaySep 30, 2026+3214 d
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.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

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

Weakness class (CWE)

CWE-203 · Observable Discrepancy

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/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

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

All records